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INVENTIONS By Blacks (African Americans)
All information listed can easily be verified through the US Patent Office in Washington, DC.
NEW LISTING
Name--------------------------------- Invention -----------------------------------Date -----------------------Patent #
Emmit McHenry The .com (the internet) 1979
Valerie Thomas Illusion Transmitter (3D) Oct 21, 1980 #4,229,761
Otis Boykin Electric Resistor (used in radios, televisions, computers, phones, etc.)
Burridge & Marshman Typewriter April 7, 1885
W.B. Purvis Fountain Pen January 7, 1890
Lewis Latimer Electric Lampbulb March 21, 1882
PREVIOUS LISTING
Abrams, W.B --------Hame attachment------Apr. 14, 1891-----450,550
Allen, C.W. -------Self-leveling Table--------Nov. 1, 1898-------613,436
Ancker Johnson, Betsy---------signal generator-----------------Nov. 22, 1966-----3,287,659
Ashbourne, A.P.-----------------Process for preparing coconut for domestic use--Jun. 1, 1875
Ashbourne, A.P.------------------biscuit cutter----------------------Nov. 30, 1875----170,460
Ashbourne, A.P. -----------------Refining coconut oil-------------Jul. 27, 1880-----230,518
Ashbourne, A.P.------------------Process of treating coconut---Aug. 21, 1877----194,287
Beard, A.J.-------Rotary Engine-------------Jul. 5, 1892-------478,271
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