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Black history inventors are listed alphabetically: use the A to Z index bar to navigate and select or just browse the many listings. Each listing has the name of the black inventor followed by the patent number(s) which is the unique number assigned to an invention when a patent is issued, the date the patent was issued, and a description of the invention as written by the inventor. If available, links are provided to in-depth articles, biographies, illustrations and photos on each individual inventor or patent. How to
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Joseph Carl Dacons
- #3,125,606, 3/17/1964, Process for the manufacturing of nitroform and its salts
- #3,450,778, 6/17/1969, Dodecanitroquaterphenyl
- #4,260,847, 4/7/1981, Recrystallization of hexanitrostilbene from nitric acid and water
William H. Dammond
- #823,513, 6/19/1906, Safety system for operating railroads
John Thomas Darkins
- #534,322, 2/19/1894, Ventilator
Shelby J. Davidson
- #884,721, 4/14/1908, Paper-rewind mechanism for adding machines
Israel D. Davis
- #351,829, 11/2/1886, Tonic
Stephen H. Davis
- #2,324,769, 7/20/1943, Load weighing and totaling device for cranes, hoists and the like
Stephen S. Davis
- #2,933,922, 4/26/1960, Flexible walled wind tunnel nozzle
William D. Davis
- #568,939, 10/6/1896, Riding saddle
William R. Davis Jr
- #208,378, 9/24/1878, Library table
- #362,611, 5/10/1887, Game table
- #4,528,626, 8/9/1985, Improvements in computer architecture
Robert Dedmon
- #1,716,230, 6/4/1929, Combined sleigh and boat
William A. Deitz
Essex Delaotch
- #1,466,890, 9/4/1923, Motor control system for self-serving tables
- #5,813,142, 9/29/1998, Shoe sole with an adjustable support pattern
Anthony L. Dent
- #4,346,071, 8/24/1982, Rehydrated silica gel dentifrice abrasive
#4,349,533, 9/14/1982, Toothpaste containing pH-adjusted zeolite
Benjamin A. Dent
- #3,548,384, 12/15/1976, Procedure entry for a data processor employing a stack
