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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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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
- #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
- #1,522,176, 1/6/1925, Cosmetics & Plant Products
- #[link ur1=http://inventors.about.com/od/photogallery/ig/African-American---C/George-Washington-Carver--2.htm]1,541,478[/link], 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
