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Black History Month - African American Inventors

Patent Holders List Index C

By Mary Bellis, About.com

George Washington Carver

George Washington Carver

Mary Bellis

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.

B < Cadet to Cassell, Certain to Clark, Coates to Cosgrove, Cotton to Curtis > D

Gardy Cadet

  • #5,392,635, 2/28/1995, Acoustic analysis of gas mixtures
  • #5,427,659, 6/27/1995, Process for the manufacture of devices
  • #5,474,659, 12/12/1995, Process and apparatus for generating precursor gases used in the manufacture of semiconductor devices
  • #5,501,098, 3/26/1996, Acoustic analysis of gas mixtures
  • #5,510,007, 4/23/1996, Electrochemical generation of silane
  • #5,625,140, 4/29/1997, Acoustic analysis of gas mixtures
  • #5,877,407, 3/2/1999, Plasma etch end point detection process
  • #5,948,967, 9/7/1999, Acoustic analysis of gas mixtures

Ambrose Caliver

  • #1,568,498, 1/5/1926, Work cabinet

Peter R. Campbell

  • #213,871, 4/1/1879, Improvement in screw presses

Robert Leon Campbell

William S. Campbell

  • #246,369, 8/30/1881, Self Setting Animal Trap

Benjamin F. Cargill

  • #629,658, 7/25/1899, Invalid Cot

Thomas A. Carrington

  • #180,323, 8/25/1876, Ranges

George R. Carruthers

  • #3,478,216, 11/11/1969, Far-ultraviolet Camera and Spectrograph

Phillip A. Carswell

  • #5,365,591, 11/15/1994, Secure cryptographic logic arrangement

John. L. Carter

Co-inventors Maurice Weiner & Robert J. Youmans
  • #4,612,455, 9/16/1986, Distributed pulse forming network for magnetic modulator

William C. Carter

George Washington Carver

  • #1,522,176, 1/6/1925, Cosmetics & Plant Products
  • #1,541,478, 6/9/1925, Paints & Stains
  • #1,632,365, 6/14/1927, Paints & Stains

Oscar Robert Cassell

  • #990,107, 4/18/1911, Bedstead Extensions
  • #1,105,487, 7/28/1914, Bedstead Extensions
  • #1,024,766, 4/30/1912, Flying Machines
  • #1,406,344, 2/14/1922, Flying Machines
  • #1,038,291, 9/10/1912, Angle Indicator

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