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Thomas Edison
Patent list
Patent Number Title of Patent Date of execution Date of application Date of issue Joint inventors Description
12631 Design for an Incandescent Electric Lamp 1880, 11/23 1880, 11/30 1881, 12/27   Design Patent
13940 Design for Incandescing Electric Lamp 1883, 2/13 1883, 3/16 1883, 5/29   Design Patent
40527 Design for a Phonograph Cabinet 1909, 9/08 1909, 9/13 1910, 2/22   Design Patent
42934 Design for a Cabinet 1912, 7/11 1912, 7/13 1912, 8/27   Design Patent
66227 Design for a Grille for Phonograph Cabinets 1924, 10/15 1924, 10/17 1924, 12/16   Design Patent
66228 Design for Grille for Phonograph Cabinets 1924, 10/15 1924, 10/17 1924, 12/16   Design Patent
69068 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1924, 12/22   Design Patent
69688 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1926, 3/16   Design Patent
69689 Design for a Phonograph Cabinet 1924, 10/15 1924, 10/17 1926, 3/16   Design Patent
90646 Electrographic Vote-Recorder 1868, 11/13 1868, 11/28 1869, 6/01    
91527 Printing Telegraphs 1869, 1/25 1869, 2/17 1869, 6/22    
96567 Printing-Telegraph Apparatus 1869, 8/17 1869, 8/27 1869, 11/09    
96681 Automatic Electrical Switch 1869, 8/27 1869, 9/04 1869, 11/09    
102320 Printing Telegraph Apparatus 1869, 9/16 1869, 10/27 1870, 4/26    
103035 Electro-Motor Escapements 1870, 2/05 1870, 4/11 1870, 5/17    
103924 Printing Telegraph Instruments 1870, 4/12 1870, 4/14 1870, 6/07 Frank L. Pope  
111112 Governors for Electro Motors 1870, 6/29 1870, 7/06 1871, 1/24    
113033 Printing Telegraph Apparatus 1870, 11/17 1870, 11/22 1871, 3/28    
113034 Printing Telegraph Apparatus 1871, 1/10 1871, 1/14 1871, 3/28    
114656 Telegraphic Transmitting Instruments 1870, 6/22 1870, 6/28 1871, 5/09    
114657 Relay Magnets for Telegraph Instruments 1870, 9/06 1870, 9/21 1871, 5/09    
114658 Electro-Magnets for Telegraph Instruments 1870, 6/22 1870, 6/28 1871, 5/09    
121601 Machinery for Perforating Paper for Telegraph Pump 1871, 8/16 1871, 8/18 1871, 12/05    
123005 Telegraph Apparatus 1871, 7/26 1871, 8/04 1872, 1/23    
123006 Printing Telegraphs 1871, 7/26 1871, 8/04 1872, 1/23    
123984 Telegraph Apparatus 1871, 7/26 1871, 8/04 1872, 1/23    
124800 Telegraph Recording Instruments 1871, 8/12 1871, 8/18 1872, 3/19    
126528 Type Wheels for Printing Telegraphs 1872, 1/23 1872, 1/30 1872, 5/07    
126529 Type Wheels for Printing Telegraphs 1872, 1/23 1872, 1/30 1872, 5/07    
126530 Printing Telegraphs 1872, 2/14 1872, 2/19 1872, 5/07    
126531 Printing Telegraphs 1872, 1/17 1872, 1/22 1872, 5/07    
126532 Printing Telegraphs 1872, 1/03 1872, 1/12 1872, 5/07    
126533 Printing Telegraphs 1872, 2/14 1872, 2/19 1872, 5/07    
126534 Printing Telegraphs 1872, 1/17 1872, 1/12 1872, 5/07    
126535 Printing Telegraphs 1871, 11/13 1871, 11/18 1872, 5/07    
128131 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 6/18    
128604 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128605 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128606 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128607 Printing Telegraphs 1872, 4/26 1872, 5/07 1872, 7/02    
128608 Printing Telegraph Instruments 1870, 5/24 1870, 5/27 1872, 7/02    
130795 Electro Magnets 1872, 5/09 1872, 6/06 1872, 8/27    
131334 Rheotomes or Circuit-Directors 1872, 5/06 1872, 6/06 1872, 9/17    
131335 Printing Telegraphs 1872, 6/15 1872, 7/09 1872, 9/17    
131336 Printing Telegraphs 1872, 6/15 1872, 7/09 1872, 9/17    
131337 Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17    
131338 Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17    
131339 Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17    
131340 Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17    
131341 Printing Telegraph Instruments 1872, 5/28 1872, 6/06 1872, 9/17    
131342 Printing Telegraph Instruments 1872, 5/09 1872, 6/06 1872, 9/17    
131343 Transmitters and Circuits for Printing Telegraphs 1872, 6/10 1872, 7/09 1872, 9/17    
131344 Unison-Stops for Printing Telegraphs 1872, 6/29 1872, 7/09 1872, 9/17    
132455 Paper for Chemical Telegraphs 1872, 4/10 1872, 4/16 1872, 10/22    
132456 Apparatus for Perforating Paper for Telegraph Use 1872, 3/15 1872, 3/22 1872, 10/22    
133019 Electrical Printing Machines 1872, 4/18 1872, 4/25 1872, 11/12    
133841 Type Writing Machines 1871, 11/13 1871, 11/18 1872, 12/10    
134866 Printing Telegraph Instruments 1872, 10/16 1872, 10/22 1873, 1/14    
134867 Automatic Telegraph Instruments 1872, 5/08 1872, 6/06 1873, 1/14    
134868 Electro-Magnetic Adjusters 1872, 5/08 1872, 6/06 1873, 1/14    
135531 Circuits for Chemical Telegraphs 1872, 11/09 1872, 11/11 1873, 2/04    
138869 Printing Telegraphs 1872, 10/16 1872, 10/22 1873, 5/13    
138870 Printing Telegraphs 1873, 3/07 1873, 3/13 1873, 5/13    
139128 Printing Telegraphs 1873, 1/21 1873, 2/18 1873, 5/20    
139129 Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 5/20    
140487 Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 7/01    
140488 Printing Telegraphs 1873, 4/23 1873, 5/16 1873, 7/01    
140489 Circuits for Printing Telegraphs 1873, 2/13 1873, 2/18 1873, 7/01    
141772 Circuits for Automatic or Chemical Telegraphs 1872, 11/05 1872, 11/09 1873, 8/12    
141773 Circuits for Automatic Telegraphs 1872, 12/12 1873, 1/15 1873, 8/12    
141774 Chemical Telegraphs 1873, 3/07 1873, 3/13 1873, 8/12    
141775 Perforators for Automatic Telegraphs 1873, 3/07 1873, 3/13 1873, 8/12    
141776 Circuits for Automatic Telegraphs 1872, 12/12 1873, 1/15 1873, 8/12    
141777 Relay Magnets 1873, 3/07 1873, 3/13 1873, 8/12    
142688 Electrical Regulators for Transmitting Instruments 1873, 3/07 1873, 3/13 1873, 9/09    
142999 Galvanic Batteries 1872, 10/31 1872, 11/05 1873, 9/23    
146812 Telegraph Signal Boxes 1872, 11/26 1872, 12/03 1874, 1/27    
147311 Electric Telegraphs 1873, 4/23 1873, 7/29 1874, 2/10    
147312 Perforators for Automatic Telegraphy 1873, 3/24 1873, 7/29 1874, 2/10    
147313 Chemical Telegraphs 1873, 4/23 1873, 7/29 1875, 3/02    
147314 Circuits for Chemical Telegraphs 1873, 3/24 1873, 7/29 1874, 2/10    
147917 Duplex Telegraphs 1873, 4/23 1873, 6/27 1874, 2/24    
150846 Telegraph Relays 1873, 4/23 1873, 6/27 1874, 5/12    
150847 Receiving Instruments for Chemical Telegraphs 1873, 3/24 1873, 7/29 1874, 3/12    
150848 Chemical or Automatic Telegraphs 1872, 12/12 1873, 1/15 1874, 5/12    
151209 Automatic Telegraphy and in Perforators Therefor 1873, 8/25 1873, 9/02 1874, 5/26    
154788 District Telegraph Signal-Boxes 1874, 4/2 1874, 5/11 1874, 9/08    
156843 Duplex Chemical Telegraphs 1873, 3/07 1873, 3/13 1874, 11/17    
158787 Telegraph Apparatus 1874, 8/07 1874, 8/13 1875, 1/19    
160402 Solutions for Chemical Telegraph Paper 1873, 9/29 1874, 6/01 1875, 3/02    
160403 Solutions for Chemical Telegraph Paper 1873, 10/29 1874, 6/01 1875, 3/02    
160404 Solutions for Chemical Telegraph Paper 1873, 9/29 1874, 6/01 1875, 3/02    
160405 Adjustable Electro-magnets For Relays etc. 1873, 4/23 1873, 7/29 1875, 3/02    
160580 Solutions for Chemical Telegraph Paper 1873, 10/14 1874, 6/01 1875, 3/09    
162633 Duplex Telegraphs 1873, 4/22 1873, 4/26 1875, 4/27    
166859 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17    
166860 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17    
166861 Chemical Telegraphy 1874, 6/01 1874, 7/25 1875, 8/17    
168004 Printing Telegraphs 1874, 5/22 1874, 6/01 1875, 9/21    
168242 Transmitters and Receivers for Automatic Telegraph 1875, 1/18 1875, 1/26 1875, 9/28    
168243 Automatic Telegraphs 1875, 1/18 1875, 1/26 1875, 9/28    
168385 Duplex Telegraphs 1875, 1/18 1875, 1/26 1875, 10/05    
168465 Solutions for Chemical Telegraph 1874, 8/14 1875, 1/15 1875, 10/05    
168466 Solutions for Chemical Telegraph 1875, 1/18 1875, 1/26 1875, 10/05    
168467 Recording Points for Chemical Telegraphs 1875, 1/18 1875, 1/18 1875, 10/05    
169972 Electric Signaling Instrument 1875, 2/24 1875, 3/23 1875, 11/16 Chas. Batchelor  
171273 Telegraph Apparatus 1875, 2/11 1875, 2/16 1875, 12/21    
172305 Automatic Roman-Character Telegraphs 1874, 8/07 1875, 1/15 1876, 1/18    
173708 Automatic Telegraphy 1874, 8/07 1875, 1/15 1876, 2/22    
178221 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30    
178222 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30    
178223 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 5/30    
180857 Autographic Printing 1876, 3/07 1876, 3/13 1876, 8/08    
180858 Duplex Telegraphs 1874, 8/19 1874, 9/01 1876, 8/08    
182996 Acoustic Telegraphs 1876, 5/09 1876, 5/16 1876, 10/10    
185507 Electro-Harmonic Multiplex Telegraphs 1876, 8/16 1876, 8/31 1876, 12/19    
186330 Acoustic Electric Telegraphs 1876, 5/09 1876, 5/16 1877, 1/16    
186548 Telegraphic Alarm and Signal Apparatus 1876, 5/09 1876, 5/18 1877, 1/23    
195751 Automatic Telegraphs 1875, 1/18 1875, 1/27 1877, 10/02    
195752 Automatic Telegraphs 1875, 1/19 1875, 1/27 1877, 10/02    
196747 Stencil-Pens 1877, 4/18 1877, 4/23 1877, 11/06    
198087 Telephonic Telegraphs 1876, 5/09 1876, 5/16 1877, 12/11    
198088 Telephonic Telegraphs 1876, 4/03 1876, 4/06 1877, 12/11    
198098 Telephonic or Electro-Harmonic Telegraphs 1876, 4/03 1876, 4/06 1877, 12/11    
200032 Synchronous Movements for Electric Telegraphs 1876, 10/30 1876, 11/11 1878, 2/05    
200521 Phonographs or Speaking Machines 1877, 12/15 1877, 12/24 1878, 2/19    
200993 Acoustic Telegraphs 1876, 8/26 1876, 9/18 1878, 3/05    
200994 Automatic Telegraph Perforator and Transmitter 1876, 10/30 1876, 11/11 1879, 3/05    
201760 Speaking Machines 1878, 2/28 1878, 3/04 1878, 3/26    
203013 Speaking Telegraph 1877, 12/08 1877, 12/13 1878, 4/30    
203014 Speaking Telegraphs 1877, 7/16 1877, 7/20 1878, 4/30    
203015 Speaking Telegraphs 1877, 8/16 1877, 8/28 1878, 8/30    
203016 Speaking Telephones 1878, 2/28 1878, 3/07 1878, 4/30    
203017 Telephone Call-Signal 1878, 2/28 1878, 3/04 1878, 4/30    
203018 Telephones or Speaking Telegraphs 1877, 12/08 1877, 12/13 1878, 4/30    
203019 Circuits for Acoustic or Telephonic Telegraphs 1878, 2/13 1878, 2/21 1878, 4/30    
203329 Perforating Pens 1877, 4/18 1877, 4/23 1878, 5/07    
205370 Pneumatic Stencil-Pens 1877, 3/03 1877, 3/26 1878, 6/25    
207723 Duplex Telegraphs 1874, 8/19 1874, 9/01 1878, 9/03    
207724 Duplex Telegraphs 1874, 12/14 1874, 12/28 1878, 9/03    
208299 Speaking Telephones 1877, 7/16 1877, 7/20 1878, 9/24    
209241 Quadruplex-Telegraph Repeaters 1875, 2/24 1875, 3/23 1878, 10/22    
210767 Vocal Engines 1878, 8/31 1878, 11/27 1878, 12/10    
212631 Design for an Incandescent Electric Lamp 1880, 11/23 1880, 11/30 1881, 12/27    
213554 Automatic Telegraph 1877, 2/03 1877, 3/26 1879, 3/25    
214636 Electric Lights 1878, 10/05 1878, 10/14 1879, 4/22    
214637 Thermal Regulators for Electric Lights 1878, 11/14 1878, 11/18 1879, 4/22    
217781 Sextuplex Telegraphs 1877, 5/08 1877, 5/14 1879, 7/22    
217782 Duplex Telegraphs 1878, 11/11 1878, 11/14 1879, 7/22    
218166 Magneto-Electric Machines 1878, 12/03 1878, 12/09 1879, 8/05    
218167 Apparatus for Electric Lights 1878, 12/31 1879, 1/10 1879, 8/05    
218866 Electric Lighting Apparatus 1878, 12/03 1878, 12/09 1879, 8/26    
219393 Dynamo-Electric Machines 1879, 7/07 1879, 7/10 1880, 8/31    
219628 Electric Lights 1878, 12/03 1878, 12/09 1879, 9/16    
221957 Telephones 1879, 3/24 1879, 3/31 1879, 11/25    
222390 Carbon Telephones 1878, 11/08 1878, 11/11 1879, 12/09    
222881 Magneto Electric Machines 1879, 9/04 1879, 9/10 1879, 12/23    
224329 Electric Lighting Apparatus 1879, 1/23 1879, 2/03 1880, 2/10    
224665 Autographic Stencils for Printing 1879, 3/10 1879, 3/17 1880, 2/17    
227226 Safety-Conductor for Electric Lights 1880, 3/10 1880, 3/25 1880, 5/04    
227227 Electric Light 1879, 2/06 1879, 2/10 1880, 5/04    
227228 Electric Light 1879, 1/28 1879, 2/03 1880, 5/04    
227229 Electric Light 1879, 4/12 1879, 4/12 1880, 5/04    
227679 Phonograph 1879, 3/19 1879, 3/29 1880, 5/18    
228329 Magnetic Ore-Separator 1880, 4/03 1880, 4/07 1880, 6/01    
228617 Brake for Electro-Magneto Motors 1880, 3/10 1880, 3/20 1881, 1/08    
230255 Method of Manufacturing Electric Lamps 1880, 1/28 1880, 2/05 1880, 7/20    
230621 Addressing Machine 1877, 5/08 1877, 5/14 1880, 8/03    
231704 Electro-Chemical Receiving Telephone 1879, 8/01 1879, 8/06 1882, 10/17    
223898 Electric Lamp 1879, 11/01 1879, 11/04 1880, 1/20    
235142 Acoustic Telegraph 1876, 8/26 1876, 9/30 1880, 12/07    
237732 Electric Light 1880, 6/15 1880, 6/30 1881, 2/15    
238098 Magneto Signal Apparatus 1880, 10/21 1880, 11/11 1881, 2/22 Edward H. Johnson  
238868 Manufacture of Carbons for Incandescent Electric Lamps 1880, 4/25 1880, 5/24 1881, 3/15    
239147 System of Electric Lighting 1880, 7/31 1880, 8/09 1881, 3/02    
239148 Treating Carbons for Electric Lamps 1880, 10/15 1880, 10/30 1881, 3/02    
239149 Incandescing Electric Lamp 1880, 12/03 1880, 12/15 1881, 3/02    
239150 Electric Lamps 1880, 7/27 1880, 8/06 1881, 3/02    
239151 Method of Forming Enlarged Ends on Carbon Filament 1880, 11/19 1880, 11/24 1881, 3/02    
239152 System of Electric Lighting 1880, 10/14 1880, 10/30 1881, 3/02    
239153 Electric Lamp 1880, 8/11 1880, 8/27 1881, 3/02    
239154 Relay for Telegraph 1880, 12/11 1880, 12/14 1881, 3/02    
239372 Testing Electric Light Carbons 1880, 7/28 1880, 8/09 1881, 3/29 Charles Batchelor  
239374 Regulating the Generation of Electric Currents 1880, 12/16 1881, 1/11 1881, 3/29    
239745 Electric Lamp 1880, 8/07 1880. 8/17 1881, 4/05    
240678 Webermeter 1880, 9/22 1880, 10/07 1881, 4/26    
242896 Incandescent Electric Lamp 1880, 12/03 1880, 12/15 1881, 6/14    
242897 Incandescent Electric Lamp 1880, 12/03 1880, 12/15 1881, 6/14    
242898 Magneto or Dynamo Electric Machine 1880, 12/11 1880, 12/15 1881, 6/14    
242899 Electric Lighting 1881, 1/19 1881, 1/26 1881, 6/14    
242900 Manufacturing Carbons for Electric Lamps 1880, 10/21 1880, 11/11 1881, 6/14    
242901 Electric Meter 1881, 2/24 1881, 3/03 1881, 6/14    
248416 Manufacture of Carbons for Electric Lamps 1880, 12/30 1881, 1/11 1881, 10/18    
248417 Manufacturing Carbons for Electric Lights` 1880, 6/15 1880, 6/30 1881, 10/18    
248418 Electric Lamp 1881, 1/19 1881, 1/31 1881, 10/18    
248419 Electric Lamp 1881, 3/30 1881, 4/15 1881, 10/18    
248420 Fixture and Attachment for Electric Lamps 1881, 3/07 1881, 3/26 1881, 10/18    
248421 Current Regulator for Dynamo Electric Machines 1881, 2/25 1881, 3/05 1881, 10/18    
248422 System of Electric Lighting 1881, 1/20 1881, 1/31 1881, 10/18    
248423 Carbonizer 1880, 7/30 1880, 8/11 1881, 10/18    
248424 Fitting and Fixture for Electric Lamps 1881, 3/08 1881, 3/26 1881, 10/18    
248425 Apparatus for Producing High Vacuums 1880, 1/28 1880, 3/29 1881, 10/18    
248426 Apparatus for Treating Carbons for Electric Lamps 1880, 11/05 1880, 11/24 1881, 10/18    
248427 Apparatus for Treating Carbons for Electric Lamps 1880, 12/21 1881, 1/11 1881, 10/18    
248428 Manufacture of Incandescent Electric Lamps 1880, 12/16 1881, 1/11 1881, 10/18    
248429 Electric Motor 1881, 2/24 1881, 3/03 1881, 10/18    
248430 Electro-Magnetic Brake 1880, 7/02 1880, 7/22 1881, 10/18    
248431 Preserving Fruit 1880, 12/11 1880, 12/14 1881, 10/18    
248432 Magnetic Separator 1880, 7/26 1880, 8/06 1880, 10/18    
248433 Vacuum Apparatus 1881, 1/19 1881, 1/31 1881, 10/18    
248434 Governor for Electric Engines 1880, 7/31 1880, 8/09 1881, 10/18    
248435 Utilizing Electricity as a Motive power 1880, 8/12 1880, 9/01 1881, 10/18    
248436 Depositing Cell for Plating the Connections of Electric Lamps 1881, 5/17 1881, 5/27 1881, 10/18    
248437 Apparatus for Treating Carbons for Electric Lamps 1880, 12/21 1881, 1/11 1881, 10/18    
248565 Webermeter 1880, 12/03 1880, 12/15 1881, 10/18    
251242 System of Electric Lighting 1881, 4/19 1881, 4/26 1881, 12/27    
251536 Vacuum Pump 1881, 12/05 1881, 12/09 1881, 12/27    
251537 Dynamo-Electric Machine 1881, 6/25 1881, 8/30 1881, 12/27    
251538 Electric Light 1881, 5/27 1881, 5/28 1881, 12/27    
251539 Electric Lamp 1881, 5/17 1881, 5/27 1881, 12/27    
251540 Carbon for Electric Lamps 1880, 7/28 1880, 8/06 1881, 12/27    
251541 Electro-Magnetic Motor 1881, 5/20 1881, 5/31 1881, 12/27    
251543 Electric Lamp 1881, 5/24 1881, 8/30 1881, 12/27    
251544 Manufacture of Electric Lamps 1881, 5/20 1881, 6/22 1881, 12/27    
251545 Electric Meter 1880, 3/10 1880, 3/20 1881, 12/27    
251546 Electric Lamp 1880, 8/10 1880, 8/17 1881, 12/27    
251547 Electrical Governor 1881, 6/02 1881, 6/24 1881, 12/27    
251548 Incandescent Electric Lamp 1881, 1/19 1881, 1/31 1881, 12/27    
251549 Electric Lamp and the Manufacture Thereof 1881, 5/20 1881, 5/31 1881, 12/27    
251550 Magneto or Dynamo Electric Machine 1881, 2/26 1881, 3/03 1881, 12/27    
251551 System of Electric Lighting 1881, 5/21 1881, 8/30 1881, 12/27    
251552 Underground Conductors 1881, 4/22 1881, 4/26 188, 12/27    
251553 Electric Chandelier 1881, 3/07 1881, 3/26 1881, 12/27    
251554 Electric Lamp and Socket or Holder 1881, 3/07 1881, 3/26 1881, 12/27    
251555 Regulator for Dynamo-Electric Machines 1881, 2/26 1881, 5/05 1881, 12/27    
251556 Regulator for Magneto or Dynamo Electric Machines 1880, 10/21 1880, 10/30 1881, 12/27    
251557 Webermeter 1881, 5/19 1881, 5/27 1881, 12/27    
251558 Webermeter 1881, 5/20 1881, 8/30 1881, 12/27    
251559 Electrical Drop-Light 1881, 10/25 1881, 11/11 1881, 12/27    
252442 Telephone 1879, 8/04 1879, 8/06 1882, 1/17    
257677 Telephone 1881, 9/07 1881, 10/17 1882, 5/09    
263131 Magnetic Ore-Separator 1881, 6/04 1881, 6/22 1882, 8/22    
263132 Electro-Magnetic Railway 1880, 8/14 1880, 8/19 1882, 8/22    
263133 Dynamo or Magneto Electric Machine 1881, 8/24 1881, 11/11 1882, 8/22    
263134 Regulator for Dynamo or Magneto Electric Machines 1881, 5/19 1881, 5/28 1882, 8/22    
263135 Electric Lamp 1880, 8/07 1880. 8/17 1882, 8/22    
263136 Regulator for Dynamo or Magneto Electric Machines 1881, 5/17 1881, 5/27 1881, 8/22    
263137 Electric Chandelier 1881, 5/21 1881, 8/30 1882, 8/22    
263138 Electric-Arc Light 1881, 11/07 1881, 11/28 1882, 8/22    
263139 Manufacture of Carbons for Electric Lamps 1880, 7/28 1880, 8/06 1882, 8/22    
263140 Dynamo-Electric Machine 1880, 7/30 1880, 8/09 1882, 8/22    
263141 Straightening Carbons of Electric Incandescent Lamps 1881, 5/21 1881, 6/24 1882, 8/22    
263142 Electrical Distribution System 1881, 8/24 1881, 10/04 1882, 8/22    
263143 Magneto or Dynamo Electric Machine 1881, 6/24 1881, 8/30 1882, 8/22    
263144 Mold for Carbonizing Incandescents 1881, 9/19 1881, 11/11 1882, 8/22    
263145 Process of Making Incandescents 1881, 4/19 1881, 4/26 1882, 8/22    
263146 Dynamo Magneto Electric Machine 1881, 11/22 1881, 11/29 1882, 8/22    
263147 Vacuum Apparatus 1881, 7/1 1881, 8/30 1882, 8/22    
263148 Dynamo or Magneto Electric Machine 1881, 10/25 1881, 11/18 1882, 8/22    
263149 Commutator for Dynamo or Magneto Electric Machines 1881, 7/22 1881, 10/04 1882, 8/22    
263150 Magneto or Dynamo Electric Machine 1881, 6/03 1881, 6/22 1881, 8/22    
263878 Electric Lamp 1880, 12/03 1880, 12/15 1882, 9/05    
264642 Electric Distribution and Translation System 1880, 8/04 1880, 8/09 1882, 9/19    
264643 Magneto-Electron Machine 1879, 4/21 1879, 5/12 1882, 9/19    
264645 System of Conductors for the Distribution of Electricity 1880, 9/01 1880, 10/07 1882, 9/19    
264646 Dynamo or Magneto Electric Machine 1881, 10/25 1881, 11/28 1882, 9/19    
264647 Dynamo or Magneto Electric Machine 1881, 8/24 1881, 10/04 1882, 9/19    
264648 Dynamo or Magneto Electric Machines 1881, 9/23 1881, 11/11 1882, 9/19    
264649 Dynamo or Mageto Electric Machine 1880, 3/11 1880, 3/20 1882, 9/19    
264650 Manufacture of Incandescing Electric Lamps 1881, 12/05 1881, 12/09 1882, 9/19    
264651 Incandescent Electric Lamp 1882, 6/09 1882, 8/07 1882, 9/19    
264652 Incandescent Electric Lamp 1881, 12/15 1882, 8/07 1882, 9/19    
264653 Incandescent Electric Lamp 1881, 12/13 1882, 8/07 1882, 9/19    
264654 Incandescent Electric Lamp 1882, 2/10 1882, 8/07 1882, 9/19    
264655 Incandescing Electric Lamp 1882, 6/09 1882, 8/07 1882, 9/19    
264656 Incandescent Electric Lamp 1882, 7/07 1882, 8/14 1882, 9/19    
264657 Incandescent Electric Lamp 1881, 5/21 1881, 8/30 1882, 9/19    
264658 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 9/19    
264659 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 9/19    
264660 Regulator for Dynamo-Electric Machines 1881, 12/05 1882, 8/07 1882, 9/19    
264661 Regulator for Dynamo Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264662 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264663 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264664 Regulator for Dynamo Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264665 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264666 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1882, 9/19    
264667 Regulator for Dynamo-Electric Machines 1882, 5/22 1882, 8/07 1882, 9/19    
264668 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264669 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264670 Regulator for Dynamo-Electric Machines 1882, 6/09 1882, 8/07 1882, 9/19    
264671 Regulator for Dynamo-Electric Machines 1882, 2/10 1882, 8/07 1882, 9/19    
264672 Regulator for Dynamo-Electric Machines 1882, 5/22 1882, 8/07 1882, 9/19    
264673 Regulator for Dynamo-Electric Machines 1881, 11/03 1881, 11/28 1882, 8/22    
265311 Electric Lamp and Holder for Same 1880, 1/28 1880, 2/05 1882, 10/03    
265774 Method of Maintaining Temperature in Webermeters 1881, 9/21 1881, 11/11 1882, 10/10    
265775 Electric-Arc Light 1881, 11/07 1881, 11/28 1882, 10/10    
265776 Electric-Lighting System 1881, 9/27 1881, 11/11 1882, 10/10    
265777 Method of Treating Carbons for Electric Lamps 1880, 12/11 1880, 12/15 1882, 10/10    
265778 Electro-Magnetic Railway Engine 1880, 7/03 1880, 7/22 1882, 10/10    
265779 Regulator for Dynamo Electric Machines 1882, 1/17 1882, 8/07 1882, 10/10    
265780 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 10/10    
265781 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1882, 10/10    
265782 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10    
265783 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10    
265784 Regulator for Dynamo-Electric Machines 1882, 7/07 1882, 8/14 1882, 10/10    
265785 Dynamo-Electric Machine 1882, 7/07 1882, 8/14 1882, 10/10    
265786 Apparatus for the Electrical Transmission of Power 1882, 5/22 1882, 8/07 1882, 10/10    
266021 Telephone 1881, 9/07 1881, 10/17 1882, 10/17    
266447 Electric Incandescent Lamp 1881, 4/21 1881, 4/26 1882, 10/24    
266588 Vacuum Apparatus 1881, 11/25 1881, 12/06 1882, 10/24    
266793 Electric Distribution System 1881, 10/25 1881, 12/09 1882, 10/31    
268205 Dynamo or Magneto Electric Machine 1882, 5/01 1882, 5/17 1882, 11/28    
268206 Incandescing Electric Lamp 1882, 10/10 1882, 10/12 1882, 11/28    
271613 Manufacture of Incandescing Electric Lamps 1882, 8/25 1882, 9/13 1883, 2/06    
271614 Shafting 1882, 10/19 1882, 10/20 1883, 2/06    
271615 Governor for Dynamo-Electric Machines 1882, 10/19 1882, 11/09 1883, 2/06    
271616 Regulator for Dynamo-Electric Machines 1882, 10/16 1882, 10/20 1883, 2/06    
272034 Telephone 1882, 3/30 1882, 10/06 1883, 2/13    
273485 Incandescing Electric Lamp 1882, 10/26 1882, 11/09 1883, 3/06    
273486 Incandescing Electric Lamp 1882, 10/12 1882, 10/20 1883, 3/06    
273487 Regulator for Dynamo-Electric Machines 1882, 9/12 1882, 9/22 1883, 3/06    
273488 Regulator for Dynamo-Electric Machines 1882, 5/01 1882, 8/07 1883, 3/06    
273489 Turn-Table for Electric Railways 1882, 6/09 1882, 8/07 1883, 3/06    
273490 Electro-Magnetic Railway System 1882, 6/09 1882, 8/07 1883, 3/06    
273491 Regulator for Driving Engines of Electrical Generators 1882, 10/19 1882, 10/26 1883, 3/06    
273492 Secondary Battery 1882, 5/19 1882, 6/26 1883, 3/06    
273493 Valve-Gear for Electrical Generator-Engines 1882, 10/19 1882, 10/26 1883, 3/06    
273494 Electrical Railroad 1882, 7/07 1882, 8/14 1883, 3/06    
273714 Magneto-Electric Signaling Apparatus 1882, 8/05 1882, 8/07 1883, 3/13    
273715 Art of Malleabelizing Iron 1881, 10/04 1881, 10/07 1883, 3/13    
273828 System of Underground Conductors for Electrical Distribution 1882, 5/22 1882, 8/07 1883, 3/13    
274290 System of Electrical Distribution 1882, 11/20 1882, 11/27 1883, 3/20    
274291 Mold for Carbonizing 1882, 11/28 1882, 12/08 1883, 3/20    
274292 Secondary Battery 1882, 6/03 1882, 8/07 1883, 3/20    
274293 Electric Lamp 1882, 10/14 1882, 10/20 1883, 3/20    
274294 Incandescing Electric Lamp 1882, 11/13 1882, 11/23 1883, 3/20    
274295 Incandescent Electric Lamp 1882, 11/14 1882, 11/23 1883, 3/20    
274296 Manufacture of Incandescents 1882, 7/05 1882, 8/14 1883, 3/20    
274576 Transmitting Telephone 1882, 3/30 1882, 10/06 1883, 3/27    
274577 Telephone 1882, 3/30 1882, 10/06 1883, 3/27    
275612 Manufacture of Incandescing Electric Lamps 1882, 10/14 1882, 10/20 1883, 4/10    
275613 Incandescing Electric Lamp 1882, 2/10 1882, 8/07 1883, 4/10    
276232 Means for Operating and Regulating Electrical Generators 1882, 12/20 1883, 1/08 1883, 4/24    
276233 Electrical Generator and Motor 1882, 11/14 1882, 11/23 1883, 4/24    
278413 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 5/29    
278414 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 5/29    
278415 Manufacture of Incandescing Electric Lamps 1883, 1/13 1883, 1/22 1883, 5/29    
278416 Manufacture of Incandescing Electric Lamps 1882, 2/28 1882, 8/07 1883, 5/29    
278417 Manufacture of Incandescing Electric Lamps 1883, 1/13 1883, 1/22 1883, 5/29    
278418 Apparatus for Translating Electric Currents From High to Low Tension 1882, 7/07 1882, 8/14 1883, 5/29    
278419 Dynamo-Electric Machine 1881, 12/15 1882, 8/07 1883, 5/29    
280727 System of Electrical Distribution 1883, 2/13 1883, 3/16 1883, 7/03    
281349 Regulator for Dynamo-Electric Machines 1883, 1/13 1883, 1/22 1883, 7/17    
281350 Regulator for Dynamo-Electric Machines 1882, 11/13 1882, 11/23 1883, 7/17    
281351 Electrical Generator 1883, 3/05 1883, 3/16 1883, 7/17    
281352 Webermeter 1881, 10/05 1881, 11/11 1883, 7/17    
281353 Dynamo or Magneto Electric Machine 1882, 6/03 1882, 9/13 1883, 7/17    
282287 Magneto-Electric Signaling Apparatus 1882, 8/05 1882, 8/07 1882, 7/31    
283983 System of Electrical Distribution 1883, 4/05 1883, 4/17 1883, 8/28    
283984 System of Electrical Distribution 1883, 3/05 1883, 3/16 1883, 8/28    
283985 System of Electrical Distribution 1883, 1/13 1883, 1/22 1883, 8/28    
283986 System of Electrical Distribution 1883, 1/13 1883, 1/22 1883, 8/28    
287511 Electric Regulators 1883, 6/25 1883, 6/29 1883, 10/30    
287512 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30    
287513 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30    
287514 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1883, 10/30    
287515 System of Electrical Distribution 1883, 6/25 1883, 6/29 1883, 10/30    
287516 System of Electrical Distribution 1883, 5/08 1883, 5/14 1883, 10/30    
287517 System of Electrical Distribution 1883, 3/14 1883, 3/16 1883, 10/30    
287518 Method of Manufacturing Incandescing Electric Lamps 1882, 8/25 1882, 9/13 1883, 10/30    
287519 Incandescing Electric Lamp 1882, 11/28 1882, 12/08 1883, 10/30    
287520 Incandescing Conductor for Electric Lamps 1882, 11/03 1882, 11/09 1883, 10/30    
287521 Dynamo or Magneto Electric Machine 1883, 2/17 1883, 3/16 1883, 10/30    
287522 Mold for Carbonizing 1883, 2/17 1883, 3/16 1883, 10/30    
287523 Dynamo or Magneto Electric Machine 1882, 6/03 1882, 9/13 1883, 10/30    
287524 Regulator for Dynamo-Electric Machines 1882, 11/28 1882, 12/08 1883, 10/30    
287525 Regulator for Systems of Electrical Distribution 1882, 10/04 1882, 10/20 1883, 10/30 Charles L. Clark  
288318 Regulator for Dynamo or Magneto Electric Machines 1881, 10/17 1881, 11/11 1883, 11/13    
293373 Electric Lamp 1880, 8/07 1880. 8/17 1881, 3/29    
293432 Electrical Generator or Motor 1883, 10/17 1883, 10/18 1884, 2/12    
293433 Insulation of Railroad Tracks Used for Electrical Currents 1880, 8/06 1880, 8/09 1884, 2/12    
293434 Incandescent Electric Lamp 1881, 12/05 1882, 8/07 1884, 2/12    
293435 Electrical Meter 1882, 7/07 1882, 8/14 1884, 2/12    
295990 Type-Writer 1878, 12/04 1878, 12/09 1884, 4/01    
297580 Electric-Arc Light 1881, 11/07 1881, 11/28 1884, 4/29    
297581 Incandescent Electric Lamp 1882, 9/12 1882, 9/22 1884, 4/29    
297582 Dynamo-Electric Machine 1883, 6/25 1883, 6/29 1884, 4/29    
297583 Dynamo-Electric Machine 1883, 7/27 1883, 10/10 1884, 4/29    
297584 Dynamo-Electric Machine 1883, 8/08 1883, 10/10 1884, 4/29    
297585 Incandescing Conductor for Electric Lamps 1883, 9/14 1883, 10/10 1884, 4/29    
297586 Electrical Conductor 1883, 9/14 1883, 10/10 1884, 4/29    
297587 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 4/29    
298679 Method Treating Carbons for Electric Lights 1880, 6/15 1880, 7/03 1884, 5/13    
298954 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 5/20    
298955 Dynamo-Electric Machine 1883, 11/15 1883, 12/12 1884, 5/20    
298956 Mode of Operating Dynamo-Electric Machines 1884, 1/05 1884, 1/24 1884, 5/20    
304082 Electrical Meter 1882, 6/24 1882, 8/14 1884, 8/26    
304083 Dynamo-Electric Machine 1883, 7/27 1883, 10/10 1884, 8/26    
304084 Device for Protecting Electric-Light Systems from Lightning 1883, 7/27 1883, 10/10 1884, 8/26    
304085 System of Electrical Distribution 1883, 11/15 1883, 12/12 1884, 8/26    
304086 Incandescent Electric Lamp 1883, 12/15 1884, 1/24 1884, 8/26    
304087 Electrical Conductor 1884, 1/12 1884, 1/24 1884, 8/26    
307029 Filament for Incandescent Lamps 1882, 10/09 1882, 10/12 1884, 10/21    
307030 Electrical Meter 1883, 8/08 1883, 10/10 1884, 10/21    
307031 Electrical Indicator 1883, 11/21 1883, 11/15 1884, 10/21    
314115 Chemical Stock Quotation Telegraph 1884, 2/09 1884, 3/19 1885, 3/17 Patrick Kenny  
317631 Incandescent Electric Lamp 1881, 11/22 1881, 11/29 1885, 5/12    
317632 Incandescent Electric Lamp 1882, 10/26 1882, 11/09 1885, 5/12    
317633 Incandescent Electric Lamp 1882, 10/26 1882, 11/09 1885, 5/12    
328572 Commutator for Dynamo-Electric Machines 1883, 6/25 1883, 6/29 1885, 10/20    
328573 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20    
328574 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20    
328575 System of Electric Lighting 1884, 9/12 1884, 10/02 1885, 10/20    
329030 Telephone 1884, 12/03 1884, 12/15 1885, 10/27    
333289 Telegraphy 1885, 4/27 1885, 5/08 1885, 12/29    
333290 Duplex Telegraphy 1885, 4/30 1885, 5/08 1885, 12/29    
333291 Way-Station Quadruplex Telegraphy 1885, 5/06 1885, 5/16 1885, 12/29    
334853 Mold for Carbonizing 1882, 7/07 1882, 8/14 1886, 1/26    
337254 Telephone 1883, 11/10 1883, 11/13 1886, 3/02 Sigmund Bergman  
339278 Electric Railway 1882, 7/07 1882, 8/14 1886, 4/06    
339279 System of Electrical Distribution 1884, 2/08 1884, 4/05 1886, 4/06    
340707 Telephonic Repeater 1884, 12/09 1884, 12/15 1886, 4/27    
340708 Electrical Signaling Apparatus 1884, 12/19 1885, 1/12 1886, 4/27    
340709 Telephone-Circuit 1885, 1/02 1885, 10/14 1886, 4/27 Ezra T. Gilliland  
341644 Incandescent Electric Lamp 1881, 5/20 1881, 5/31 1886, 5/11    
341839 Incandescing Electric Lamp 1883, 5/08 1883, 5/14 1886, 5/11    
343017 System of Electrical Distribution 1884, 6/27 1884, 8/07 1886, 6/01    
347097 Electrical Signaling Apparatus 1884, 12/19 1885, 1/12 1886, 8/10    
348114 Electrode for Telephone-Transmitters 1885, 1/12 1885, 1/12 1886, 1/12    
350234 System of Railway Signaling 1885, 3/27 1885, 4/07 1886, 10/05 Ezra T.Gilliland  
350235 Railway-Telegraphy 1885, 12/28 1886, 1/13 1886, 10/05 Ezra T. Gilliland  
351855 Electric Lamp 1880, 8/11 1880, 8/27 1886, 11/02    
351856 Incandescent Electric Lamp 1886, 9/30 1886, 10/05 1886, 11/02    
353783 Incandescent Electric Lamp 1882, 11/03 1882, 11/09 1886, 12/07    
354310 Manufacture of Carbon Conductors 1883, 4/06 1883, 4/17 1886, 12/14    
358599 Incandescent Electric Lamp 1881, 10/29 1881, 11/28 1887, 3/01    
358600 Incandescent Electric Lamp 1881, 12/13 1882, 8/07 1887, 3/01    
365465 Valve-Gear 1882, 10/05 1882, 10/12 1887, 6/28    
365509 Filament for Incandescent Electric Lamps 1882, 6/03 1882, 8/07 1887, 6/28    
365978 System of Electrical Distribution 1886, 11/22 1886, 11/29 1887, 7/05    
369280 System of Electrical Distribution 1880, 1/28 1880, 2/05 1887, 8/30    
369439 System of Electrical Distribution 1886, 11/22 1886, 12/06 1887, 9/06    
369441 System of Electrical Distribution 1886, 12/10 1886, 12/16 1887, 9/06    
369442 System of Electrical Distribution 1886, 12/16 1886, 12/22 1887, 9/06    
369443 System of Electrical Distribution 1886, 12/16 1886, 12/27 1887, 9/06    
370123 Electric Meter 1883, 4/06 1883, 4/17 1887, 9/20    
370124 Manufacture of Filaments for Incandescing Lights 1883, 4/12 1883, 4/20 1887, 9/20    
370125 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370126 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370127 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370128 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370129 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370130 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370131 Electrical Transmission of Power 1883, 6/01 1883, 6/07 1887, 9/20    
370132 Telegraphy 1886, 5/11 1886, 5/15 1887, 9/20    
373584 Dynamo-Electric Machine 1886, 12/21 1886, 12/28 1887, 11/22    
377374 Telegraphy 1877, 5/08 1877, 5/14 1888, 2/07    
377518 Magnetic Separator 1887, 6/30 1887, 7/06 1888, 2/07    
378044 Telephone-Transmitter 1885, 1/09 1885, 10/14 1888, 2/14    
379770 Incandescent Electric Lamp 1881, 12/05 1881, 12/09 1888, 3/20    
379771 Regulator for Dynamo-Electric Machines 1882, 2/28 1882, 8/07 1888, 3/20    
379772 System of Electrical Distribution 1882, 5/22 1882, 8/07 1888, 3/20    
379944 Commutator for Dynamo-Electric Machines 1886, 11/26 1886, 12/06 1888, 3/27    
380100 Pyromagnetic Motor 1887, 5/24 1887, 6/13 1888, 3/27    
380101 System of Electrical Distribution 1887, 9/13 1887, 9/23 1888, 3/27    
380102 System of Electrical Distribution 1887, 9/14 1887, 9/23 1888, 3/27    
382414 Burnishing Attachment for Phonographs 1887, 11/22 1887, 11/26 1888, 5/08    
382415 System of Electrical Distribution 1887, 12/04 1887, 12/27 1888, 5/08    
382416 Feed and Return Mechanism for Phonographs 1887, 11/29 1888, 1/05 1888, 5/08    
382417 Process of Making Phonogram-Blanks 1888, 1/30 1888, 2/04 1888, 5/08    
382418 Phonogram-Blank 1888, 2/20 1888, 3/02 1888, 5/08    
382419 Process of Duplicating Phonograms 1888, 3/03 1888, 3/08 1888, 5/08    
382462 Phonogram-Blank 1887, 12/05 1888, 1/05 1888, 5/08    
384830 Railway Signaling 1886, 11/24 1886, 11/29 1888, 6/19 Ezra T. Gilliland  
385173 System of Electrical Distribution 1887, 11/05 1887, 12/09 1888, 6/26    
386974 Phonograph 1887, 11/22 1887, 11/26 1888, 7/31    
389369 Incandescing Electric Lamp 1888, 2/02 1888, 2/06 1888, 9/11    
390462 Process of Making Carbon Filament 1888, 2/20 1888, 3/02 1888, 10/02    
391595 System of Electric Lighting 1884, 7/16 1884, 8/07 1888, 10/23    
391596 Incandescent Electric Lamp 1884, 9/24 1884, 10/02 1888, 10/23    
393462 Process of Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27    
393463 Machine for Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27    
393464 Machine for Making Phonogram-Blanks 1888, 4/28 1888, 5/07 1888, 11/27    
393465 Method of Preparing Phonograph Recording-Surfaces 1888, 6/30 1888, 7/07 1888, 11/27    
393466 Phonograph-Recorder 1888, 7/14 1888, 7/17 1888, 11/27    
393966 Method of Recording and Reproducing Sounds 1888, 7/14 1888, 7/17 1888, 12/04    
393967 Method of Recording and Reproducing Sounds 1888, 7/14 1888, 7/17 1888, 12/04    
393968 Phonograph-Recorder 1888, 10/31 1888, 11/05 1888, 12/04    
394105 Phonograph-Recorder 1888, 2/20 1888, 3/02 1888, 12/04    
394106 Phonograph-Reproducer 1888, 2/20 1888, 3/02 1888, 12/04    
395123 Circuit-Controller for Dynamo-Electric Machines 1883, 2/13 1883, 3/16 1888, 12/25    
395962 Method of Manufacturing Electric Lamps 1882, 9/16 1882, 9/22 1889, 1/08    
395963 Incandescent-Lamp Filament 1884, 1/22 1884, 4/05 1889, 1/08    
396356 Magnetic Separator 1888, 3/19 1888, 3/29 1889, 1/15    
397280 Phonograph Recorder and Reproducer 1888, 9/19 1888, 9/27 1889, 2/05    
397705 Method of Winding Field-Magnets 1888, 8/31 1888, 9/15 1889, 2/12    
397706 Phonograph 1888, 9/29 1888, 10/11 1889, 2/12    
398774 Incandescent Electric Lamp 1883, 5/08 1883, 5/14 1889, 2/26    
400317 Ore-Separator 1881, 8/11 1882, 8/25 1889, 3/26    
400646 Phonograph Recorder and Reproducer 1888, 5/22 1888, 6/07 1889, 4/02    
400647 Phonograph 1888, 6/30 1888, 7/07 1889, 4/02    
400648 Phonogram-Blank 1888, 7/27 1888, 7/30 1889, 4/02    
400649 Method of Making Phonogram-Blanks 1888, 9/29 1888, 10/11 1889, 4/02    
400650 Method of Making Phonogram-Blanks 1888, 10/15 1888, 10/17 1889, 4/02    
401486 System of Electric Lighting 1882, 6/12 1882, 8/07 1889, 4/16    
401646 Incandescing Electric Lamp 1882, 2/10 1882, 8/07 1889, 4/16    
404902 Electrical-Distribution System 1881, 8/24 1881, 10/04 1889, 6/11    
406130 Manufacture of Incandescent Electric Lamps 1886, 8/06 1886, 8/11 1889, 7/02    
406567 Telephone 1886, 1/28 1886, 2/19 1889, 7/09    
406568 Phonograph 1888, 10/15 1888, 10/17 1889, 7/09    
406569 Phonogram-Blank 1889, 1/10 1889, 1/19 1889, 7/09    
406570 Phonograph 1889, 2/01 1889, 2/11 1889, 7/09    
406571 Process of Treating Phonogram-Blanks 1889, 2/1 1889, 2/11 1889, 7/09    
406572 Automatic Determine Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09    
406573 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09    
406574 Automatic Determining Device for Phonographs 1889, 2/01 1889, 2/14 1889, 7/09    
406575 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1889, 7/09    
406576 Phonogram-Recorder 1889, 2/1 1889, 2/11 1889, 7/09    
406824 Electric Meter 1881, 1/19 1881, 1/31 1889, 7/09    
406852 Electric Meter 1882, 8/25 1882, 9/13 1889, 7/09    
411016 Manufacture of Carbon Filaments 1882, 10/19 1882, 10/20 1889, 9/17    
411017 Carbonizing-Flask 1883, 4/06 1883, 4/17 1889, 9/17    
411018 Manufacture of Incandescent Electric Lamps 1886, 7/15 1886, 7/17 1889, 9/17    
411019 Manufacture of Incandescent Electric Lamps 1886, 7/20 1886, 7/29 1889, 9/17    
411020 Manufacture of Carbon Filaments 1886, 11/26 1886, 12/06 1889, 9/17    
414759 Phonogram-Blank 1889, 3/22 1889, 3/25 1889, 11/12    
414760 Phonograph 1889, 3/22 1889, 3/30 1889, 11/12    
414761 Phonogram-Blank 1889, 7/16 1889, 8/10 1889, 11/12    
420594 Quadruplex Telegraph 1877, 8/16 1877, 8/22 1890, 2/04    
422072 Telegraphy 1885, 10/07 1885, 10/23 1890, 2/25    
422073 Telegraphy 1885, 11/12 1885, 11/24 1890, 2/25    
422074 Telegraphy 1885, 11/24 1886, 2/26 1890, 2/25    
422577 Apparatus for Speaking- Telephone 1884, 10/21 1884, 12/01 1890, 3/04 Ezra T. Gilliland  
422578 Telephonic Repeater 1884, 12/09 1884, 12/15 1890, 3/04    
422579 Telephonic Repeater 1884, 12/09 1884, 12/15 1890, 3/04    
423039 Phonograph for Dolls or other Toys 1889, 6/15 1889, 7/02 1890, 3/11    
425760 Measurement of Electricity in Distribution Systems 1881, 6/04 1881, 6/22 1890, 4/15    
425761 Incandescent Lamp 1883, 11/20 1883, 11/22 1890, 4/15    
425762 Cut-out for Incandescent Electric Lamps 1888, 3/03 1888, 3/08 1890, 4/15    
425763 Commutator for Dynamo-Electric Machines 1881, 8/20 1881, 11/15 1890, 4/15    
426527 Automatic Determining Device for Phonographs 1889, 6/15 1889, 7/02 1890, 4/29    
430274 Phonogram-Blank 1888, 7/14 1890, 7/30 1890, 6/17    
430275 Magnetic Separator 1888, 9/12 1888, 9/20 1890, 6/17    
430276 Phonograph 1889, 1/12 1889, 1/15 1890, 6/17    
430277 Automatic Determining Device for Phonographs 1889, 2/1 1889, 2/11 1890, 6/17    
430278 Phonograph 1889, 4/08 1889, 4/10 1890, 6/17    
430279 Voltaic Battery 1889, 6/15 1889, 7/02 1890, 6/17    
430280 Magnetic Separator 1889, 7/20 1889, 7/29 1890, 6/17    
430570 Phonogram-Blank 1887, 11/22 1887, 11/26 1890, 6/17    
430932 Manufacture of Incandescent Lamps 1882, 10/14 1882, 10/20 1890, 6/24    
430933 Filament for Incandescent Lamps 1882, 11/03 1882, 11/09 1890, 6/24    
430934 Electric Lighting System 1883, 6/25 1883, 6/29 1890, 6/24    
431018 Dynamo or Magneto Electric Machine 1881, 2/03 1881, 2/21 1890, 6/24    
432586 Electric Generator 1888, 1/21 1888, 1/30 1890, 8/19    
434585 Telegraph Relay 1880, 7/29 1880, 8/09 1890, 8/19    
434587 Thermo-Electric Battery 1888, 1/21 1888, 1/30 1890, 8/19    
434588 Magnetic Ore Separator 1890, 1/16 1890, 1/20 1890, 8/19 W.K.L. Dickson  
434589 Propelling Mechanism for Electrical Vehicles 1890, 2/14 1890, 2/20 1890, 8/19    
435687 Means for Charging and Using Secondary Batteries 1881, 6/21 1881, 9/03 1890, 9/02    
435688 Process of and Apparatus for Generating Electricity 1883, 9/14 1883, 9/19 1890, 9/02    
435689 Telegraphy 1885, 11/30 1886, 2/19 1890, 9/02    
435690 Method of Making Armatures for Dynamo-Electric Machines 1888, 8/31 1888, 9/15 1890, 9/12    
436127 Electric Motor 1890, 5/17 1890, 5/24 1890, 9/09    
436968 Method of and Apparatus for Drawing Wire 1884, 6/02 1884, 6/10 1890, 9/23    
436969 Method of and Apparatus for Drawing Wire 1884, 6/02 1884, 6/10 1890, 9/23    
436970 Apparatus for Transmitting Power 1890, 6/02 1890, 6/10 1890, 9/23    
437422 Telegraphy 1885, 10/07 1885, 10/23 1890, 9/30    
437423 Phonograph 1888, 7/14 1888, 7/17 1890, 9/30    
437424 Phonograph 1888, 10/15 1888, 10/17 1890, 9/30    
437425 Phonograph-Recorder 1889, 2/1 1889, 2/11 1890, 9/30    
437426 Phonograph 1889, 7/20 1889, 8/10 1890, 9/30    
437427 Method of Making Phonograph Blanks 1890, 2/08 1890, 2/17 1890, 9/30    
437428 Propelling Device for Electrical Cars 1890, 4/29 1890, 5/05 1890, 9/30    
437429 Phonogram Blank 1890, 4/29 1890, 5/05 1890, 9/30    
438298 Manufacture of Incandescent Electric Lamps 1882, 11/28 1882, 12/08 1890, 10/14    
438299 Manufacture of Carbon Filaments 1883, 2/17 1883, 3/16 1890, 10/14    
438300 Gage for Testing Fibers for Incandescent-Lamp Carbons 1883, 6/01 1883, 6/07 1890, 10/14    
438301 System of Electric Lighting 1883, 6/25 1883, 6/29 1890, 10/14    
438302 Commutator for Dynamo- Electric Machines 1883, 7/27 1883, 10/10 1890, 10/14    
438303 Arc Lamp 1884, 6/02 1884, 6/10 1890, 10/14    
438304 Electric Signaling Apparatus 1884, 9/24 1884, 12/15 1890, 10/14    
438305 Fuse-Block 1885, 1/14 1885, 10/14 1890, 10/14    
438306 Telephone 1885, 12/22 1886, 2/19 1890, 10/14 Ezra T. Gilliland  
438307 Manufacture of Incandescent Electric Lamps 1886, 7/15 1886, 7/17 1890, 10/14    
438308 System of Electrical Distribution 1886, 11/09 1886, 12/06 1890, 10/14    
438309 Method of Insulating Electrical Conductors 1889, 4/25 1889, 5/11 1890, 10/14    
438310 Lamp-Base 1890, 4/25 1890, 5/05 1890, 10/14    
439389 Electric-Lighting Systems 1881, 7/1 1881, 8/30 1890, 10/28    
439390 System of Electric Lighting 1882, 6/19 1882, 6/26 1890, 10/28    
439391 Junction-Box for Electric Wires 1881, 12/05 1882, 8/07 1890, 10/28    
439392 Electric-Lighting System 1882, 8/12 1882, 8/22 1890, 10/28    
439393 Carbonizing Chamber 1882, 8/25 1882, 9/13 1890, 10/28    
443507 Phonograph 1889, 12/11 1889, 12/27 1890, 12/30    
444530 Leading-In Wire for Incandescent Lamps 1890, 9/12 1890, 9/15 1891, 1/31    
446666 System of Electric Lighting 1882, 6/19 1882, 6/26 1891, 2/17    
446667 Locomotive for Electric Railways 1881, 10/11 1882, 8/07 1891, 2/17    
446668 Electric-Arc Light 1882, 6/03 1882, 8/07 1891, 2/17    
446669 Manufacture of Filaments for Incandescent Electric Lamps 1883, 2/17 1883, 3/16 1891, 2/17    
448778 Electric Railway 1882, 8/05 1882, 8/07 1891, 3/24    
448779 Telegraph 1886, 7/15 1886, 7/19 1891, 3/24    
448780 Device for Turning Off Phonogram Blanks 1888, 6/30 1888, 7/07 1891, 3/24    
448781 Turning-Off Device for Phonographs 1888, 7/16 1888, 7/30 1891, 3/24    
450750 Phonograph-Recorder 1888, 7/14 1888, 7/17 1891, 4/21    
452913 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1891, 5/16    
453601 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1891, 6/02    
453741 Phonograph 1890, 7/05 1890, 7/30 1891, 6/09    
454262 Incandescent-Lamp Filament 1886, 10/26 1886, 10/27 1891, 6/16    
454558 Incandescent Electric Lamp 1881, 12/05 1882, 8/07 1891, 6/23    
454941 Phonograph Recorder or Reproducer 1890, 5/06 1890, 5/24 1891, 6/30    
454942 Phonograph 1890, 7/05 1890, 7/30 1891, 6/30    
456301 Phonograph-Doll 1890, 7/05 1890, 7/30 1891, 7/21    
456302 Phonograph 1890, 8/04 1890, 8/12 1891, 7/21    
457343 Magnetic Belting 1890, 9/06 1890, 9/10 1891, 8/11    
457344 Smoothing Tool for Phonograph Blanks 1890, 11/17 1890, 11/21 1891, 8/11    
459835 Manufacture of Incandescent Electric Lamps 1883, 1/13 1883, 1/22 1891, 9/22    
460122 Process of and Apparatus for Generating Electricity 1882, 5/01 1882, 5/26 1891, 9/29    
460123 Phonogram-Blank Carrier 1890, 11/17 1890, 11/21 1891, 9/29    
462540 Incandescent Electric Lamp 1889, 3/22 1889, 3/25 1891, 11/03    
464822 System of Distributing Electricity 1882, 6/19 1882, 6/28 1891, 12/08    
465250 Process of Extracting Copper Pyrites 1890, 2/08 1890, 2/17 1891, 12/15    
465251 Method of Bricking Fine Ores 1891, 7/31 1891, 8/24 1891, 12/15    
465970 Armature Connection for Motors or Generators 1891, 3/20 1891, 3/26 1891, 12/29    
465971 Means for Transmitting Signals Electrically 1885, 5/14 1885, 5/23 1891, 12/29    
465972 Phonograph 1889, 11/14 1889, 11/18 1891, 12/29    
465973 Armature for Dynamos or Motors 1891, 3/04 1891, 3/23 1891, 12/29    
466400 Cut-Out for Incandescent Lamps 1886, 10/26 1886, 10/27 1892, 1/05 John F. Ott  
466460 Art of Electrolytic Decomposition 1882, 5/19 1882, 5/26 1892, 1/05    
468949 Converter System for Electric Railways 1887, 2/07 1887, 3/08 1892, 2/16    
468950 Commutator-Brush for Electric Motors and Dynamos 1891, 3/20 1891, 4/04 1892, 2/16    
470922 Manufacture of Filaments for Incandescent Lamps 1883, 9/14 1883, 10/10 1892, 3/15    
470923 Railway-Signaling 1887, 8/09 1887, 8/19 1892, 3/15    
470924 Electric Conductor 1887, 9/26 1887, 9/30 1892, 3/15    
470925 Manufacture of Filaments for Incandescent Lamps 1888, 6/21 1888, 7/02 1892, 3/15    
470926 Dynamo-Electric Machine or Motor 1891, 2/04 1891, 2/24 1892, 3/15    
470927 Driving Mechanism for Cars 1891, 3/04 1891, 3/26 1892, 3/15    
470928 Alternating-Current Generator 1891, 7/31 1891, 8/25 1892, 3/15    
470929 Magnetic Separator 1891, 8/28 1891, 10/01 1892, 3/15    
470930 Dynamo-Electric Machine 1891, 10/08 1891, 10/10 1892, 3/15    
471268 Ore-Conveyor and Method of Arranging Ore Thereon 1891, 8/28 1891, 10/01 1892, 3/22    
472288 Dust-Proof Bearing for Shafts 1891, 8/28 1891, 10/01 1892, 4/05    
472752 Dust-Proof Journal-Bearing 1891, 8/28 1891, 10/01 1892, 4/12    
472753 Ore-Screening Apparatus 1891, 8/28 1891, 10/01 1892, 4/12    
474230 Speaking Telegraph 1877, 4/18 1877, 4/27 1892, 5/03    
474231 Speaking Telegraph 1877, 7/09 1877, 7/20 1892, 5/03    
474232 Speaking-Telegraph 1886, 2/17 1886, 2/18 1892, 5/03    
474591 Process of Extracting Gold from Sulfide Ores 1888, 9/12 1888, 9/20 1892, 5/10    
474592 Ore-Conveying Apparatus 1891, 8/28 1891, 10/01 1892, 5/10    
474593 Dust-Proof Swivel Shaft-Bearing 1891, 8/28 1891, 10/08 1892, 5/10    
475491 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24    
475492 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24    
475493 Electric Locomotive 1891, 6/03 1891, 6/09 1892, 5/24    
475494 Electric Railway 1891, 6/03 1891, 6/09 1892, 5/24    
476527 System of Electric Lighting 1882, 6/12 1882, 8/07 1892, 6/07    
476528 Incandescent Electric Lamp 1883, 2/17 1883, 3/16 1892, 6/07    
476529 System of Electrical Distribution 1883, 7/27 1883, 10/10 1892, 6/07    
476530 Incandescent Electric Lamp 1887, 6/01 1887, 6/04 1892, 6/07    
476531 Electric-Lighting System 1881, 4/22 1881, 4/26 1892, 6/07    
476532 Ore-Screening Apparatus 1891, 10/08 1891, 10/15 1892, 6/07    
476983 Pyromagnetic Generator 1887, 5/24 1887, 6/13 1892, 6/14    
476984 Expansible Pulley 1890, 8/09 1890, 8/28 1892, 6/14    
476985 Trolley for Electric Railways 1890, 10/27 1890, 11/21 1892, 6/14    
476986 Means for Propelling Electric Cars 1891, 2/24 1891, 3/02 1892, 6/14    
476987 Electric Locomotive 1891, 2/24 1891, 3/02 1892, 6/14    
476988 Lightning-Arrester 1891, 7/31 1891, 8/14 1892, 6/14    
476989 Conductor for Electric Railways 1891, 7/31 1891, 8/14 1892, 6/14    
476990 Electric Meter 1891, 7/31 1891, 8/25 1892, 6/14    
476991 Method of and Apparatus for Separating Ores 1888, 5/09 1888, 5/21 1892, 6/14    
476992 Incandescent Electric Lamp 1891, 1/20 1891, 1/24 1892, 6/14    
476993 Electric-Arc Lamp 1891, 7/31 1891, 10/01 1892, 6/14    
478743 Telephone-Repeater 1884, 12/31 1885, 10/14 1892, 7/12    
479184 Fac-simile Telegraph 1881, 7/26 1881, 12/06 1892, 7/19 Patrick Kenny  
480567 Duplex Telegraph 1874, 8/19 1874, 9/01 1892, 8/09    
482549 Means for Controlling Electric Generation 1881, 3/02 1881, 3/12 1892, 9/13    
484183 Electrical Depositing-Meter 1891, 7/31 1891, 8/25 1892, 6/14    
484184 Manufacture of Carbon Filaments 1886, 10/26 1886, 10/27 1892, 10/11    
484185 Manufacture of Carbon Filaments 1886, 12/20 1886, 12/27 1892, 10/11    
484528 Duplicating Phonograms 1888, 1/17 1888, 1/30 1892, 10/18    
484583 Phonograph Cutting-Tool 1890, 5/24 1890, 5/27 1892, 10/18    
484584 Phonograph-Reproducer 1890, 5/24 1890, 5/27 1892, 10/18    
484585 Phonograph 1890, 7/05 1890, 7/30 1892, 10/18    
485615 Manufacture of Carbon Filaments 1886, 11/26 1886, 12/06 1889, 9/17    
485616 Manufacture of Carbon Filaments 1886, 12/06 1886, 12/15 1892, 11/08    
485617 Incandescent Lamp Filaments 1888, 7/14 1888, 7/17 1892, 11/08    
485840 Method of Bricking Fine Iron Ores 1891, 7/31 1891, 8/24 1891, 12/15    
485841 Method of Magnetically Separating Ores 1892, 7/09 1892, 7/20 1892, 11/08    
485842 Method of Magnetic-Ore Separation 1892, 7/09 1892, 7/20 1892, 11/08    
486634 System of Railway Signaling 1885, 3/27 1885, 4/07 1892, 11/22 Ezra T, Gilliland  
488189 Phonograph 1888, 5/26 1888, 5/29 1892, 3/15    
488190 Phonograph Reproducer 1888, 5/22 1888, 6/07 1892, 12/20    
488191 Phonogram-Blank 1889, 1/10 1889, 1/19 1892, 12/20    
490953 Art of Generating Electricity 1883, 10/09 1883, 11/01 1893, 1/31    
490954 Manufacture of Carbon Filaments for Electric Lamps 1886, 11/02 1886, 11/06 1893, 1/31    
491992 Cut-Out for Incandescent Electric Lamps 1891, 11/10 1891, 11/12 1893, 2/21    
491993 Stop Device 1892, 4/05 1892, 4/11 1893, 2/21    
492150 Process of Coating Conductors for Incandescent Lamps 1882, 10/19 1882, 10/26 1893, 2/21    
492789 Speaking Telegraph 1877, 8/31 1877, 9/05 1893, 3/07    
493425 Electric Locomotive 1890, 12/20 1891, 1/19 1893, 3/14    
493426 Apparatus for Exhibiting Photographs of Moving Objects 1891, 7/31 1891, 8/24 1893, 3/14    
493858 Transmission of Power 1890, 8/09 1890, 8/28 1893, 3/21    
496191 Phonograph 1891, 2/04 1891, 2/09 1893, 4/25    
498385 Roller for Crushing Ore or Other Material 1891, 8/28 1891, 10/01 1893, 5/30    
499879 Phonograph 1888, 7/27 1888, 7/30 1893, 6/20    
500280 Phonograph 1890, 10/27 1890, 11/21 1893, 6/27    
500281 Phonograph 1890, 11/17 1890, 11/21 1893, 6/27    
500282 Phonograph 1890, 12/1 1890, 12/03 1893, 6/27    
506215 Method of Making Plate Glass 1887, 11/09 1887, 11/11 1893, 10/10    
506216 Apparatus for Making Glass 1889, 6/29 1889, 7/02 1893, 10/10    
509428 Composition Brick and Method of Making Same 1893, 3/15 1893, 3/17 1893, 11/28    
509517 System of Electrical Distribution 1883, 11/15 1883, 12/12 1893, 11/28    
509518 Electric Railway 1891, 7/31 1891, 8/14 1893, 11/28    
512872 Sextuplex Telegraph 1877, 5/31 1877, 6/02 1894, 1/16    
513095 Phonograph 1889, 12/11 1889, 12/27 1894, 1/23    
513096 Method of and Apparatus for Mixing Materials 1892, 8/24 1892, 8/29 1894, 1/23    
513097 Phonograph 1893, 5/22 1893, 5/24 1894, 1/23    
524136 Regulator for Dynamo-Electric Machines 1881, 9/27 1881, 11/11 1894, 8/07    
524378 System of Electrical Distribution 1886, 11/09 1886, 12/06 1894, 8/14    
525007 Manufacture of Carbon Filaments 1886, 12/06 1886, 12/15 1904, 8/28    
525888 Manufacture of Carbons for Electric Lamps 1880, 3/10 1880, 3/20 1894, 9/19    
526147 Art of Plating One Material with Another 1884, 1/22 1884, 1/28 1894, 9/18    
534206 Filament for Incandescent Lamps 1883, 12/15 1884, 1/04 1895, 2/12    
534207 Manufacture of Carbon Filaments 1886, 12/20 1886, 12/27 1895, 2/12    
534208 Induction-Converter 1888, 5/07 1888, 5/21 1895, 2/12    
541923 Phonograph 1890, 10/27 1890, 11/21 1895, 6/02    
541924 Phonograph 1890, 11/17 1890, 12/03 1895, 7/02    
543209 Incandescent Electric Lamp 1890, 9/13 1890, 9/17 1895, 2/12    
543985 Incandescent Conductor for Electric Lamps 1882, 6/03 1882, 8/07 1895, 8/06    
543986 Process of Treating and Products Derived from Vegetable Fibers 1882, 10/17 1882, 10/20 1895, 8/06    
543987 Filament for Incandescent Lamps 1882, 10/17 1882, 10/20 1895, 8/06    
545405 System of Electrical Distribution 1887, 8/26 1887, 8/29 1895, 8/27    
563462 Method of and Apparatus for Drawing Wire 1887, 10/17 1887, 10/21 1896, 7/07    
564423 Process of Separating Ores 1892, 6/27 1892, 7/02 1896, 7/21    
567187 Crushing Roll 1893, 12/13 1893, 12/19 1896, 9/08    
575151 Phonograph 1890, 12/01 1890, 12/03 1897, 1/12    
589168 Kinetographic Camera 1891, 7/31 1891, 8/24 1897, 8/31    
602064 Conveyor 1893, 12/13 1893, 12/19 1898, 4/12    
604740 Governor for Motors 1897, 1/25 1897, 1/27 1898, 5/31    
605475 Drying Apparatus 1897, 6/10 1897, 6/29 1898, 6/14    
605667 Phonograph 1890, 12/1 1890, 12/03 1898, 6/14    
605668 Mixer 1897, 6/10 1897, 6/29 1898, 6/14    
607588 Phonograph 1897, 1/25 1897, 1/27 1898, 7/19    
609268 Phonograph 1890, 12/06 1890, 12/15 1898, 8/16    
610706 Phonograph 1890, 12/1 1890, 12/03 1898, 9/30    
622843 Phonograph 1890, 12/01 1890, 12/03 1899, 4/11    
624457 Phonograph 1899, 9/12 1899, 9/21 1900, 6/26    
626460 Filament for And Process of Incandescent Lamps 1898, 3/29 1898, 3/31 1899, 6/06    
637327 Rolls 1897, 5/14 1897, 7/16 1899, 11/21    
641281 Expanding Pulley 1899, 4/10 1899, 4/24 1900, 1/16 Charles M. Johnson  
643764 Method of Reheating Compressed Air for Industrial Purposes 1899, 2/24 1899, 2/27 1900, 2/20    
648933 Drier 1898, 4/11 1898, 5/23 1900, 5/08    
648934 Process of Screening or Sizing Very Fine Materials 1899, 2/06 1899, 3/17 1900, 5/08    
648935 Apparatus for Duplicating Phonograph Records 1899, 10/27 1899, 10/28 1900, 5/08    
655480 Phonographic Reproducing Device 1900, 4/30 1900, 5/03 1900, 8/07    
657527 Process of Making Metallic Duplicate Phonograph-Records 1900, 4/30 1900, 5/04 1900, 9/11    
657922 Apparatus for Reheating Compressed Air for Industry 1899, 12/09 1899, 12/12 1900, 9/18    
659389 Electric Meter 1898, 9/19 1898, 9/24 1900, 10/09    
660293 Electric Meter 1899, 3/23 1899, 9/16 1900, 10/23    
660845 Apparatus for Sampling, Averaging, Mixing, and Storing Materials in Bulk 1900, 1/09 1900, 1/11 1900, 10/30    
661238 Machine Forming Pulverized Material Into Briquettes 1898, 4/11 1898, 5/23 1900, 11/06    
662063 Process of Sampling, Averaging, Mixing, and Storing Materials in Bulk 1900, 1/09 1900, 1/11 1900, 11/20    
663015 Electric Meter 1899, 2/06 1899, 3/17 1900, 12/04    
667201 Flight Conveyer 1897, 6/10 1897, 6/29 1901, 2/05    
667202 Apparatus for Duplicating Phonograph Records 1900, 4/30 1900, 5/08 1901, 2/05    
667622 Process of Duplicating Phonograph Records 1900, 4/30 1900, 5/08 1901, 2/05    
671314 Lubricating Journal-Bearings 1897, 6/10 1897, 6/29 1901, 4/02    
671315 Conveyer 1897, 6/10 1897, 6/29 1901, 4/02    
671316 Apparatus for Screening or Rescreening Fine Materials 1900, 2/23 1900, 3/07 1901, 4/02    
671317 Method of Screening or Rescreening Fine Materials 1900, 3/28 1900, 3/31 1901, 4/02    
672616 Method of Breaking Rock 1897, 5/14 1897, 7/16 1901, 4/23    
672617 Apparatus for Breaking Rock 1900, 8/01 1900, 8/09 1901, 4/23    
674057 Grinding or Crushing rolls 1898, 4/11 1898, 5/23 1901, 5/14    
675056 Magnetic Separator 1897, 5/14 1897, 6/12 1901, 5/28    
675057 Apparatus for Screening Pulverized Material 1897, 6/10 1897, 6/29 1901, 5/28    
676225 Phonographic Recording Apparatus 1900, 8/10 1900, 8/18 1901, 6/11    
676618 Magnetic Separator 1897, 5/14 1897, 7/16 1901, 6/18    
676840 Magnetic Separating Apparatus 1900, 1/03 1900, 1/09 1901, 6/18    
676841 Magnetic Separating Apparatus 1900, 6/11 1900, 7/02 1901, 6/18    
678722 Reversible Galvanic Battery 1901, 6/17 1901, 6/22 1901, 7/16    
679500 Apparatus for Screening or Sizing Very Fine Materials 1900, 1/24 1900, 1/31 1901, 7/30    
680520 Process of Making Duplicate Phonograph Records 1900, 7/23 1900, 8/18 1901, 8/13    
684204 Reversible Galvanic Battery 1900, 10/15 1900, 10/31 1901, 10/08    
684205 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1901, 10/08    
685911 Apparatus for Reheating Compressed Air for Industrial Purposes 1899, 11/24 1899, 12/06 1901, 11/05    
688610 Phonograph Recording Apparatus 1899, 2/10 1899, 3/17 1901, 12/10    
692507 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1902, 2/04    
700136 Reversible Galvanic Battery 1901, 2/18 1901, 3/05 1902, 5/13    
700137 Reversible Galvanic Battery 1901, 2/23 1901, 3/05 1902, 3/13    
701804 Reversible Galvanic Battery 1901, 6/12 1901, 6/20 1902, 6/03    
703051 Electric Meter 1900, 9/28 1900, 10/15 1902, 6/24    
703562 Apparatus for Bricking Pulverized Material 1898, 4/11 1898, 5/23 1902, 7/1    
703744 Reproducer for Phonographs 1898, 3/21 1898, 3/24 1902, 7/01    
704010 Apparatus for Concentrating Magnetic Iron Ores 1898, 4/11 1898, 5/23 1902, 7/08    
704303 Reversible Galvanic Battery 1900, 12/22 1901, 1/08 1902, 7/08    
704304 Reversible Galvanic Battery 1901, 2/23 1901, 3/03 1902, 7/08    
704305 Electrode for Batteries 1901, 5/10 1901, 5/17 1902, 7/08    
704306 Reversible Galvanic Battery 1901, 6/17 1901, 6/20 1902, 7/08    
705829 Reproducer for Sound - Records 1901, 10/24 1901, 11/08 1902, 7/29    
713209 Process of Duplicating Phonograms 1898, 2/21 1898, 3/05 1902, 11/11    
713863 Process of Coating Phonograph Records 1900, 5/15 1900, 6/16 1902, 11/18    
721682 Reversible Galvanic Battery 1902, 11/13 1902, 11/28 1902, 3/03    
721870 Funnel for Filling Storage Battery Cans or Analogous Purposes 1902, 11/13 1902, 11/28 1903, 3/24    
722502 Means for Handling Cable Drawn Cars on Inclines 1902, 12/18 1903, 1/09 1903, 3/10    
723449 Electrode for Storage Batteries 1902, 11/13 1902, 11/28 1903, 3/24    
723450 Reversible Galvanic Battery 1902, 11/13 1902, 11/28 1903, 3/24    
724089 Means for Operating Motors in Dust Laden Atmospheres 1902, 12/18 1903, 1/09 1903, 3/31    
727116 Grinding Rolls 1899, 6/15 1899, 7/01 1903, 5/05    
727117 Reversible Galvanic Battery 1902, 9/29 1902, 10/03 1903, 5/05    
727118 Process of Manufacturing Electrolytically Active Finely Divided Iron 1902, 10/13 1902, 10/21 1903, 5/05    
734522 Process of Nickel-Plating 1902, 2/11 1902, 2/14 1903, 7/28    
750102 Electrical Automobile 1902, 12/18 1903, 1/09 1904, 1/19    
754755 Compressing-Dies 1902, 11/13 1902, 11/28 1904, 3/15    
754756 Process of Separating Ores from Magnetic Gangue 1903, 5/25 1903, 5/29 1904, 3/15    
754858 Storage Battery Tray 1902, 11/13 1902, 11/28 1904, 3/15    
754859 Reversible Galvanic Battery 1902, 11/13 1902, 11/28 1904, 3/15    
758432 Stock-House Conveyer 1902, 12/18 1903, 1/09 1906, 4/26    
759356 Method of Burning Portland-Cement Clinker, etc. [sic] 1900, 4/10 1900, 4/19 1904, 5/10    
759357 Apparatus for Burning Portland Cement Clinker, etc. [sic] 1900, 4/10 1900, 4/19 1904, 5/10    
759358 Magnetic Separating Apparatus 1900, 6/11 1900, 6/21 1904, 5/10    
764183 Method of Separating Mechanically Entrained Globules from Gases 1902, 11/13 1902, 11/28 1904, 6/05    
766815 Primary Battery 1903, 11/16 1903, 11/18 1904, 8/09    
767216 Apparatus for Vacuously Depositing Metals 1903, 7/30 1903, 8/01 1904, 8/09    
767554 Method of Rendering Storage-Battery Gases Non-Explosive 1904, 6/08 1904, 6/13 1904, 8/16    
772647 Photographic Film for Moving Picture Machines 1903, 1/30 1903, 3/05 1904, 10/18    
772648 Vehicle-Wheel 1903, 8/25 1903, 8/28 1904, 10/18    
775600 Rotary Cement Kiln 1903, 7/20 1903, 7/22 1904, 11/22    
775965 Dry Separator 1903, 4/27 1903, 5/04 1904, 11/29    
785297 Gas-Separator for Storage Batteries 1904, 7/18 1904, 8/16 1905, 3/21    
790351 Process of Duplicating Phonographic Records 1903, 1/30 1903, 2/11 1905, 5/23    
796629 Lamp-Guard 1903, 7/30 1903, 8/01 1905, 8/08    
797845 Sheet Metal for Perforated Pockets of Storage Batteries 1904, 7/12 1904, 7/21 1905, 8/22    
800800 Phonograph-Record and Method of Making the Same 1904, 6/24 1904, 6/29 1905, 10/03    
802631 Apparatus for Burning Portland Cement Clinker 1902, 11/13 1902, 12/05 1905, 10/24    
804799 Apparatus for Perforating Sheet Metal 1905, 3/17 1905, 3/20 1905, 11/14    
813490 Cement-Kiln 1904, 10/29 1904, 11/02 1906, 2/27    
813491 Pocket-Filling Machine 1905, 5/15 1905, 5/16 1906, 2/27    
817162 Process of Treating Alkaline Storage Batteries 1904, 9/26 1904, 9/29 1906, 4/10    
821032 Storage Battery 1904, 8/10 1904, 9/28 1906, 3/22    
821622 Process of Cleaning Metallic Surfaces 1904, 6/24 1904, 6/29 1906, 5/29    
821623 Storage-Battery-Filling Apparatus 1904, 11/01 1904, 11/02 1906, 5/29    
821624 Gas-Separator for Storage Batteries 1904, 10/29 1904, 11/02 1906, 5/29    
821625 Process of Treating Alkaline Storage Batteries 1904, 10/29 1904, 11/05 1906, 5/29    
821626 Process of Making Metallic Films or Flakes 1905, 3/29 1905, 3/30 1906, 5/29    
821627 Process of Making Metallic Flakes or Scales 1905, 3/29 1905, 3/30 1906, 5/29    
821628 Process for Making Conducting-Films 1905, 5/20 1905, 5/24 1906, 3/29    
827089 Calcimining-Furnace 1901, 12/24 1902, 1/02 1906, 7/31    
827297 Alkaline Battery 1904, 7/12 1904, 7/21 1906, 7/31    
827717 Process of Making Composite Metals 1905, 3/29 1905, 3/30 1906, 8/07    
831269 Storage-Battery Electrode-Plate 1903, 1/30 1903, 3/05 1906, 9/18    
831606 Sound Recording Apparatus 1901, 10/24 1901, 11/08 1906, 9/25    
832219 Automatic Weighing and Mixing Apparatus 1902, 12/18 1903, 1/09 1906, 10/02    
839371 Method of Coating Active Material with Flake-Like Conducting Material 1905, 3/29 1905, 3/30 1906, 12/25    
839372 Phonograph Record or Blank 1905, 4/29 1905, 4/29 1906, 12/25    
841677 Apparatus for Grinding and Separating Fine Materials 1903, 1/22 1903, 1/29 1907, 1/22    
847746 Electrical Welding Apparatus 1904, 7/12 1904, 7/21 1907, 3/19    
850881 Composite Metal 1906, 1/19 1906, 1/20 1907, 4/16    
850912 Process of Making Articles by Electroplating 1903, 10/03 1903, 10/05 1907, 4/23    
850913 Secondary Battery 1905, 12/06 1905, 12/07 1907, 4/23    
852424 Secondary Battery 1902, 11/13 1902, 11/28 1907, 5/07    
854200 Process of Making Storage-Battery Electrodes 1905, 3/29 1905, 3/30 1907, 5/21    
855562 Diaphragm for Talking-Machines 1907, 2/23 1907, 3/06 1907, 6/04    
857041 Can or Receptacle for Storage Batteries 1903, 10/03 1903, 10/10 1907, 1/18    
857929 Storage-Battery Electrode 1905, 3/29 1905, 3/30 1907, 6/25    
858862 Primary and Secondary Battery 1906, 1/09 1906, 1/10 1907, 7/02    
860195 Storage-Battery Electrode 1905, 4/26 1905, 4/28 1907, 7/16    
861241 Portland Cement and Process of Manufacturing the Same 1904, 6/20 1904, 6/28 1907, 7/23    
861242 Can or Receptacle for Storage Batteries 1904, 8/10 1904, 8/16 1907, 7/23    
861819 Discharging Apparatus for Belt Conveyers 1907, 6/11 1907, 6/14 1907, 7/30    
862145 Process of Making Seamless Tubular Pockets or Receptacles for Storage Battery Electrodes 1905, 4/26 1905, 4/28 1907, 8/06    
865367 Fluorescent Electric Lamp 1896, 5/16 1896, 5/19 1907, 9/10    
865687 Process of Making Nickel Films 1907, 1/18 1907, 1/19 1907, 9/10    
865688 Process of Making Metallic Films or Flakes 1907, 1/11 1907, 1/19 1907, 9/10    
870024 Apparatus for Producing Perforated Strips 1905, 3/23 1905, 3/24 1907, 11/05    
871214 Reversible Galvanic Battery 1900, 10/15 1900, 10/31 1907, 11/19    
873219 Feed-Regulator for Grinding Machines 1902, 12/18 1903, 1/13 1907, 12/10    
873220 Reversible Galvanic Battery 1903, 11/20 1903, 11/23 1907, 12/10    
876445 Electrolyte for Alkaline Storage Batteries 1907, 5/08 1907, 5/10 1908, 1/14    
879612 Alkaline Storage Battery 1904, 6/24 1904, 6/29 1908, 2/18    
879859 Apparatus for Producing Very Thin Sheet Metal 1905, 2/16 1905, 3/01 1908, 2/25    
880484 Process of Producing Very Thin Sheet Metal 1904, 6/24 1904, 6/29 1908, 2/25    
880978 Electrode Element for Storage Batteries 1905, 10/31 1905, 11/02 1908, 3/03    
880979 Method of Making Storage-Battery Electrodes 1905, 10/31 1905, 11/02 1908, 3/03    
882144 Storage-Battery Electrode 1905, 3/29 1905, 3/30 1908, 3/17    
890625 Apparatus for Grinding Coal 1906, 11/23 1906, 11/27 1908, 6/16    
896811 Metallic Film for Use with Storage-Battery Electrodes and Process of Preparing the Same 1908, 2/04 1908, 2/06 1908, 8/25    
896812 Storage Battery 1908, 3/13 1908, 3/18 1908, 8/25    
898404 Process of Making Articles by Electroplating 1906, 11/02 1906, 11/03 1908, 9/08    
898633 Filling Apparatus for Storage-Battery Jars & Etc. 1903, 12/08 1903, 12/10 1908, 9/15    
909167 Waterproofing-Paint for Portland-Cement Buildings 1908, 2/04 1908, 2/06 1909, 1/12    
909169 Waterproofing-Paint for Portland Cement Structure 1908, 5/27 1908, 6/01 1909, 1/12    
909806 Waterproofing Fibers and Fabrics 1908, 5/27 1908, 6/01 1909, 1/12    
909877 Telegraphy 1907, 6/18 1907, 6/20 1909, 1/19    
914342 Storage Battery 1905, 12/06 1905, 12/07 1909, 3/02    
914343 Process of Making Storage-Battery Electrodes 1907, 5/15 1907, 5/17 1909, 3/02    
914372 Process for Making Thin Metallic Flakes 1906, 7/13 1906, 7/14 1909, 3/02    
923633 Shaft-Coupling 1906, 9/11 1906, 9/13 1909, 6/01    
930946 Apparatus for Burning Portland Cement 1906, 10/22 1906, 10/24 1909, 8/10    
930947 Gas-Purifier 1909, 2/15 1909, 3/27 1909, 8/10    
930948 Apparatus for Burning Portland Cement 1906, 11/16 1906, 11/26 1909, 8/10    
930949 Apparatus for Burning Portland Cement 1906, 11/16 1906, 11/26 1909, 8/10    
936267 Feed Mechanism for Phonographs and Other Machines 1907, 1/11 1907, 1/17 1909, 10/05    
936433 Tube-Filling and Tamping Machine 1905, 10/12 1905, 10/14 1909, 10/12    
936525 Process of Making Metallic Films or Flakes 1907, 1/17 1907, 1/18 1909, 10/12    
939817 Cement Kiln 1907, 2/08 1907, 3/08 1909, 11/09    
939992 Phonographic Recording and Reproducing Machine 1907, 2/25 1907, 3/16 1909, 11/16    
940635 Electrode Element for Storage Batteries 1908, 2/04 1908, 2/06 1909, 11/16    
941630 Process and Apparatus for Artificially Aging or Seasoning Portland Cement 1907, 2/25 1907, 4/02 1909, 11/30    
943663 Horn for Talking-Machines 1905, 5/20 1905, 5/24 1909, 12/21    
943664 Sound-Recording Apparatus 1903, 11/16 1903, 11/18 1909, 12/21    
944481 Process and Apparatus for Artificially Aging or Seasoning Portland Cement 1908, 3/13 1908, 3/23 1909, 12/28    
946540 Storage Battery 1908, 3/13 1908, 3/23 1910, 1/18    
947806 Automobile 1908, 3/13 1908, 4/17 1910, 2/01    
948542 Method of Treating Cans Of Alkaline Storage Batteries 1904, 9/28 1904, 9/29 1910, 2/08    
948558 Storage-Battery Electrode 1906, 11/28 1906, 12/03 1910, 2/08    
950226 Phonographic Recording Apparatus 1905, 5/20 1905, 5/24 1910, 2/22    
950227 Apparatus for Making Metallic Films or Flakes 1905, 10/10 1905, 10/12 1910, 2/22    
954789 Sprocket-Chain Drive 1907, 6/11 1907, 6/26 1910, 4/12    
956317 Tube-Sealing Machine 1905, 10/12 1905, 10/14 1910, 4/26    
962081 Apparatus for Recording Sounds 1903, 11/11 1903, 11/13 1910, 6/21    
962822 Crushing Roll 1906, 9/04 1906, 9/07 1910, 6/28    
962823 Crushing-Rolls 1906, 9/11 1906, 9/18 1910, 6/28    
963362 Apparatus for Recording or Reproducing Sounds 1905, 5/20 1905, 5/24 1910, 7/05    
964096 Process of Electroplating 1906, 2/24 1906, 3/19 1910, 7/12    
964097 Device for Viewing Moving Pictures 1908, 11/11 1908, 11/19 1910, 7/12    
964221 Sound-Record 1906, 12/28 1907, 1/03 1910, 7/12    
967178 Tube Forming Machine 1905, 10/16 1905, 10/17 1910, 8/16 John F. Ott  
970615 Method and Apparatus for Making Sound-Records 1904, 8/23 1904, 8/30 1910, 9/20    
970616 Flying Machine 1908, 8/20 1908, 11/16 1910, 9/20    
975339 Process of Duplicating Talking-Machines Records 1907, 2/23 1907, 4/04 1910, 11/08    
975340 Phonograph-Reproducers 1908, 3/13 1908, 3/23 1910, 11/08    
976791 Storage Battery Electrodes 1905, 4/26 1905, 4/28 1910, 11/22    
976792 Storage Battery 1910, 5/19 1910, 5/24 1910, 11/22    
991433 Bucket Conveyer 1907, 6/11 1907, 6/14 1911, 5/02    
993294 Device for Feeding Pulverulent Material 1908, 6/08 1908, 6/11 1911, 5/23    
996070 Rotary Kiln 1908, 10/10 1908, 10/14 1911, 6/27    
996625 Phonograph-Reproducer 1908, 3/13 1908, 3/18 1911, 7/04    
999762 Storage Battery and Process of Treating the Same 1908, 3/13 1908, 3/20 1911, 8/08    
1002504 Crushing and Separating Fine Materials 1909, 1/27 1909, 2/06 1911, 9/05    
1002505 Composition for Sound Records and Other Objects 1911, 1/25 1911, 1/27 1911, 9/05    
1012250 Recording-Telephone 1905, 9/14 1905, 9/15 1911, 12/19    
1012828 Storage Battery 1910, 5/19 1910, 5/24 1911, 12/26    
1013869 Bearing 1908, 3/13 1908, 3/23 1912, 1/09    
1014818 Giants Rolls 1902, 12/18 1903, 1/13 1912, 1/16    
1016375 Electroplating 1911, 7/24 1911, 7/28 1912, 2/06    
1016874 Means and Method for Preventing Depletion of Electrolyte 1911, 6/16 1911, 6/21 1912, 2/06    
1019440 Phonograph-Reproducer 1908, 6/08 1908, 6/11 1912, 3/05    
1019441 Sound-Recording Apparatus 1910, 4/14 1910, 4/20 1912, 3/05    
1020485 Phonograph Reproducer 1908, 12/21 1908, 12/29 1912, 3/19    
1024839 Phonographic Recording-Stylus 1906, 12/28 1907, 1/03 1912, 4/30    
1034002 Storage Battery 1911, 1/25 1911, 1/27 1912, 7/30    
1034003 Battery Cell Container 1911, 1/25 1911, 1/27 1912, 7/30    
1036470 Phonographic Apparatus 1909, 11/01 1909, 11/03 1912, 8/20    
1036471 Storage Battery 1910, 5/31 1910, 6/06 1912, 8/20    
1041756 Conveyer 1907, 11/19 1907, 11/22 1912, 10/22    
1041983 Phonograph-Stylus 1910, 5/02 1910, 5/12 1912, 10/22    
1046159 Phonograph-Reproducer 1908, 6/08 1908, 6/11 1912, 12/03    
1046414 Phonograph Determining Device 1910, 5/31 1910, 6/02 1912, 12/03    
1050355 Phonograph 1909, 8/07 1909, 8/12 1913, 1/14    
1050436 Apparatus for Producing Rubber Strips 1910, 6/30 1910, 7/01 1913, 1/14    
1050629 Art of Separating Copper from Other Metals 1911, 5/01 1911, 5/09 1913, 1/14    
1050630 Art of Separating Copper from Other Metals 1911, 5/12 1911, 5/18 1913, 1/14    
1052656 Phonograph - Reproducer 1909, 10/26 1909, 10/28 1913, 2/11    
1055524 Dumping Mechanism 1911, 11/28 1911, 12/30 1913, 3/19    
1055621 Reproducer 1911, 5/16 1911, 5/18 1913, 3/11    
1056517 Means for Reproducing Sound 1909, 12/04 1909, 12/08 1913, 3/18    
1059661 Manufacture of Portland Cement 1906, 5/07 1906, 5/08 1913, 4/22    
1065597 Cement-Burning Kiln 1906, 1/24 1906, 1/27 1913, 6/24    
1073107 Storage Battery 1911, 12/30 1912, 1/11 1913, 9/16    
1078264 Phonographic Recording or Reproducing Apparatus 1907, 2/25 1907, 3/16 1913, 11/11    
1078265 Process of Making Phonograph Records 1908,10/10 1908, 10/14 1913, 11/11    
1078266 Sound-Box 1911, 4/03 1911, 4/05 1913, 11/11    
1083353 Production of Perforated Strips 1910, 6/20 1910, 7/01 1914, 1/06    
1083354 Insulating Compound 1911, 1/25 1911, 1/27 1914, 1/06    
1083355 Art of Forming Chemical Compounds 1891, 4/07 1911, 4/08 1914, 1/06    
1083356 Storage Battery 1891, 4/07 1911, 4/08 1914, 1/06    
1099241 Rectifier 1910, 10/04 1910, 10/07 1914, 1/09    
1099346 Phonograph -Reproducer 1909, 10/26 1909, 10/28 1914, 6/09    
1099347 Phonograph -Reproducer 1909, 10/26 1909, 10/28 1914, 6/09    
1099348 Phonograph-Reproducer 1909, 10/28 1909, 10/29 1914, 6/09    
1099349 Method of Making Sound-Record Molds 1912, 1/02 1912, 1/06 1914, 6/09    
1106444 Fuel-Feeding Apparatus 1907, 11/25 1907, 11/29 1914, 8/11    
1110382 Sound-Modifier 1910, 12/07 1910, 12/09 1914, 9/15    
1110428 Process of Forming Phonograph Styli 1910, 3/19 1910, 3/23 1914, 9/15    
1111999 Phonograph-Record 1912, 1/19 1912, 1/20 1914, 9/29    
1115463 Electrode Element 1910, 6/13 1910, 6/17 1914, 10/27    
1118114 Method of Making Molds for Sound-Record 1911, 6/08 1911, 6/10 1914, 11/24    
1119141 Sound Reproducer 1910, 11/09 1910, 11/14 1910, 12/14    
1119142 Sound-Record 1911, 4/03 1911, 4/05 1914, 12/01    
1123261 Mold for Concrete Construction 1908, 12/22 1908, 12/29 1915, 1/05    
1126428 Sound-Recording Apparatus 1910, 6/07 1910, 6/09 1915, 1/26    
1130156 Machine for Shaving Sound Records or Blanks 1911, 6/20 1911, 6/22 1915, 3/02    
1138360 Method of Presenting the Illusion of Scenes in Colors 1913, 6/13 1913, 6/16 1915, 5/04    
1142507 Sound-Recording Apparatus 1910, 10/17 1910, 10/20 1915, 6/08    
1143818 Charging Storage Batteries 1912, 1/12 1912, 1/17 1915, 6/22    
1146413 Method of Producing Tablets for Sound Records 1911, 12/19 1911, 12/20 1913, 7/13    
1146414 Method of Making Phonograph-Records 1914, 8/26 1914, 8/27 1913, 7/13    
1148832 Means for Utilizing the Waste Heat in Kilns 1908, 11/21 1908, 11/25 1915, 8/03    
1152613 Method of Burning Portland-Cement Clinker 1905, 9/28 1905, 9/29 1915, 9/07    
1152614 Phonographic Recording Apparatus 1910, 1/26 1910, 1/27 1915, 9/07    
1152615 Alternating-Current-Rectifying System 1912, 6/10 1912, 6/13 1915, 9/07    
1152616 Contact for Electrical Apparatus 1912, 6/10 1912, 6/13 1915, 9/07    
1158659 Phonograph Record 1909, 3/02 1909, 3/03 1915, 11/02    
1158660 Phonograph Record 1909, 3/02 1909, 3/03 1915, 11/02    
1158661 Phonograph or Talking Machine 1912, 9/12 1912, 9/16 1915, 11/02    
1159562 Storage Battery 1923, 5/24 1923, 5/25 1925, 11/03    
1163329 Filament for Incandescent Electric Lamps 1907, 5/28 1907, 5/31 1915, 12/07    
1167484 Production of Nickel Hydroxide 1911, 4/07 1911, 4/08 1916, 1/11    
1167485 Storage Battery 1912, 4/23 1912, 4/30 1916, 1/11    
1167637 Method of Utilizing Waste Heat in Kilns 1910, 7/02 1910, 7/07 1916, 1/11    
1167638 Means for Concentrating Ores 1912, 5/21 1912, 5/23 1916, 1/11    
1178062 Moving-Picture Apparatus 1910, 5/31 1910, 6/06 1916, 4/04    
1178063 Receptacle-Filling Machine 1912, 5/31 1912, 6/07 1916, 4/04    
1182897 Apparatus for Recording and Reproducing Motion and Sounds 1908, 2/04 1908, 2/08 1916, 5/16    
1184332 Phonograph or Talking Machine 1910, 12/05 1910, 12/07 1916, 5/23    
1184333 Phonograph or Talking Machine 1911, 2/15 1911, 2/17 1916, 5/23    
1184334 Phonograph or Talking Machine 1912, 8/09 1912, 8/12 1916, 5/23    
1190133 Means for Recording Sounds 1912, 2/15 1912, 2/16 1916, 7/04    
1192400 Electrical System for Automobiles 1912, 5/21 1912, 5/23 1916, 7/25    
1197723 Coating Apparatus 1912, 10/25 1912, 10/26 1916, 9/12    
1198426 Production of Electrode Elements 1914, 8/27 1914, 8/31 1916, 9/19    
1201448 Coating Apparatus 1912, 10/25 1912, 10/26 1916, 10/17    
1201449 Sound-Modifying Device 1914, 4/21 1914, 4/25 1916, 10/17    
1204420 Sound-Box 1911, 3/22 1911, 3/24 1916, 11/14    
1207382 Primary Battery 1910, 5/19 1910, 5/24 1916, 12/05    
1207383 Sound-Record Tablet 1913, 1/29 1913, 1/30 1916, 12/05    
1219272 Process of Constructing Concrete Buildings 1908, 8/10 1908, 8/13 1917, 3/13    
1221981 Alternating-Current Rectifier 1911, 12/12 1911, 12/30 1917, 4/10    
1234450 Celluloid Record-Blank 1912, 9/12 1912, 9/16 1917, 7/24    
1234451 Mold or Transfer Plate 1912, 10/25 1912, 10/26 1917, 7/24    
1248468 Celluloid Record-Blank 1917, 6/01 1917, 6/07 1917, 12/04    
1255517 Starting and Current-Supplying System for Automobiles 1912, 7/27 1912, 7/31 1918, 2/05    
1266778 Process for Making Screens for Projection 1912, 6/19 1912, 6/24 1918, 5/21    
1266779 Electric Safety-Lantern 1914, 10/10 1914, 10/16 1918, 5/21    
1266780 Storage Battery 1917, 1/16 1917, 1/20 1918, 5/21    
1275232 Production of Finely Divided Metals 1911, 12/20 1911, 12/22 1918, 8/13    
1283706 Paraphenylenediamin Substance and Process Relating Thereto 1916, 9/21 1916, 10/02 1918, 11/05    
1286259 Means for Recording Sound 1913, 2/28 1913, 3/06 1918, 12/03    
1290138 Friction Speed-Governor 1913, 11/21 1913, 12/02 1919, 1/07    
1292277 Swaging Machine 1917, 6/26 1917, 6/29 1919, 1/21    
1297294 Projectiles 1916, 1/11 1916, 1/24 1919, 3/11    
1299693 Storage Battery 1914, 8/06 1914, 8/10 1919, 4/08    
1300708 Projectiles 1916, 2/05 1916, 2/12 1919, 4/15    
1300709 Projectiles 1916, 2/05 1916, 2/12 1919, 4/15    
1311955 Tube Filling and Tamping Machine 1916, 3/04 1916, 3/06 1919, 8/05    
1323218 Method and Means for Improving the Rendition of Musical Compositions 1916, 1/12 1916, 1/17 1919, 1/12    
1326330 Mold for Sound Records 1914, 10/09 1914, 10/13 1919, 12/30    
1326854 Apparatus for the Production of Concrete Structures 1917, 1/16 1917, 1/18 1919, 12/30    
1342326 Composition of Matter for Sound-Records or the Like and Process 1915, 8/21 1915, 8/26 1920, 6/01    
1359972 Electroplating 1919, 6/18 1919, 6/21 1920, 11/23    
1364358 Battery-Tray 1915, 12/08 1915, 12/13 1921, 1/04    
1364359 Protecting-Varnish for Electrodes of Electrolytic Cells 1919, 9/24 1919, 9/29 1921, 1/04    
1369271 Cleaning of Metallic Surfaces 1919, 6/24 1919, 7/03 1921, 2/22    
1369272 Process of Molding 1919, 8/01 1919, 8/05 1921, 2/22    
1371414 Nickel-Plating 1919, 6/12 1919, 6/17 1921, 3/15    
1377192 Production of Molded Articles 1919, 1/14 1919, 1/18 1910, 5/10    
1377193 Production of Molded Articles 1919, 1/15 1919, 1/23 1921, 5/10    
1377194 Storage Battery 1920, 6/14 1920, 6/16 1921, 5/10    
1379088 Storage Battery 1919, 9/13 1919, 9/16 1921, 5/24    
1379089 Production of Thin Metallic Sheets or Foils 1919, 9/30 1919, 10/04 1921, 5/24    
1386095 Electrode Element for Galvanic Batteries and Method of Producing Same 1919, 11/03 1919, 11/06 1921, 8/02    
1401391 Protective Coating for Steel and Iron 1919, 11/28 1919, 12/02 1922, 3/21    
1402751 Storage-Battery Electrode and the Production of Same 1919, 8/28 1919, 9/05 1922, 1/10    
1411425 Production of Molded Articles 1919, 4/24 1919, 4/30 1922, 4/04    
1417463 Mold 1919, 6/25 1919, 7/03 1922, 5/23 Charles G. Kircher  
1417464 Production of Thin Metal Sheets or Foils 1920, 7/08 1920, 7/16 1922, 5/23    
1425183 Transmitter 1918, 10/23 1918, 10/26 1922, 8/08    
1425184 Production of Thin Metal Sheets or Foils 1920, 8/23 1920, 8/26 1922, 8/08    
1425458 Stylus Mounting 1919, 12/09 1919, 12/11 1922, 8/08    
1456687 Stylus Mounting 1919, 12/09 1919, 12/11 1923, 5/29    
1488480 Regeneration of Alkaline Storage-Battery Elements 1921, 9/26 1921, 9/28 1924, 4/01    
1488481 Regeneration of Storage-Battery Elements 1922, 4/25 1922, 4/26 1924, 4/01    
1489240 Voltaic Battery and the Production of Electrode Elements Therefor 1920, 12/31 1921, 1/05 1924, 4/08    
1492023 Sound Record 1922, 2/08 1922, 2/11 1924, 4/29    
1495580 Method of Producing Chlorinated Rubber 1923, 2/05 1923, 2/08 1924, 5/27    
1526326 Storage Battery 1924, 2/25 1924, 3/12 1925, 2/17    
1546573 Production of Disk Phonograph Records 1923, 5/24 1923, 5/23 1925, 7/21    
1583783 Centrifugal Speed Governor 1923, 11/12 1923, 11/14 1926, 5/11    
1599121 Production of Depolarizing Agent for Voltaic Battery 1924, 2/20 1924, 2/26 1926, 9/07    
1600722 Mounting for Diamonds and the Like 1923, 6/28 1923, 7/06 1926, 9/21    
1644670 Cabinet 1925, 1/29 1925, 1/31 1927, 10/17    
1649579 Storage-Battery Electrode Element and Production Thereof 1926, 7/25 1925, 7/24 1927, 11/15    
1651196 Storage Battery 1923, 5/11 1923, 5/14 1927, 11/29    
1678246 Production of Alkali-Metal Compounds from Silicates Containing Them 1922, 6/23 1922, 6/28 1928, 7/24    
1690159 Method of Producing Sound-Record Tablets 1926, 10/01 1926, 10/05 1928, 11/06    
1702935 Receiving Apparatus for Radio and Telephone Circuits 1925, 2/02 1925, 2/13 1929, 2/19    
1708692 Phonograph 1926, 2/01 1926, 2/13 1929, 4/09    
1711265 Phonograph Reproducer 1926, 2/01 1926, 2/10 1929, 4/30    
1723609 Apparatus for Producing Storage Battery Electrode Elements 1927, 10/11 1927, 10/12 1929, 8/06    
1740079 Extraction of Rubber from Plants 1927, 11/25 1927, 11/30 1929, 12/07    
1744533 Mounting for Diaphragms of Sound Boxes 1925, 4/28 1925, 4/30 1930, 1/21    
1744534 Production of Molded Articles 1926, 1/25 1926, 1/29 1930, 1/21    
1829856 Dynamo Electric Machine 1928, 12/13 1928, 12/15 1931, 11/03    
1836066 Electroplating Apparatus 1926, 8/13 1926, 8/14 1931, 12/15    
1862740 Production of Molded Articles 1928, 10/04 1928, 10/06 1932, 6/14    
1908380 Holder for Articles to be Electroplated 1931, 1/06 1931, 1/09 1933, 5/16    

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