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Ronald Demon - The Smart Shoe
Ronald Demon - The Smart Shoe
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African American Inventors

From Mary Bellis,
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Patent Holders List Index D

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

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 submit to the database.

C < Dacons to Dent, Dickenson to Dyer > E

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

Mark E. Dean

  • #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

  • #64,205 4/30/1867, Shoe

Essex Delaotch

  • #1,466,890, 9/4/1923, Motor control system for self-serving tables

Ronald S. Demon

  • #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
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