Index of black inventors by state or country of residence 1834-2008



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INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008

Compiled by Margaret J. Collins

Library Program Specialist

Patent and Trademark Depository Library

Illinois State Library

AL


Joseph C. Bagley Apr. 10, 1923 1,451,195 Combined

Shovel, Torch and Match Holder

Joseph C. Bagley Nov. 11, 1941 2,262,130 Wall Tie

Joseph C. Bagley Feb. 6, 1951 2,540,857 Nut Pick Up Device



Andrew J. Beard Apr. 26, 1881 240,642 Double Plow

Andrew J. Beard Aug. 10, 1886 347,220 Plow or Cultivator

Andrew J. Beard Nov. 3, 1891 462,614 Rotary Engine

Andrew J. Beard July 5, 1892 478,271 Rotary Engine

Andrew J. Beard Nov. 23, 1897 594,059 Car Coupling

Andrew J. Beard May 28, 1901 675,346 Automatic Car Coupling

Andrew J. Beard May 31, 1904 761,056 Automatic Car Coupling

Andrew J. Beard Dec. 19, 1905 807,430 Automatic Car Coupling

Robert L. Campbell May 19, 1903 728,364 Valve Gear for Steam Engines

George W. Carver Jan. 6, 1925 1,522,176 Cosmetics and Process of Producing

George W. Carver June 5, 1925 1,541,478 Paint and Stain and Process for Producing Same

George W. Carver June 14, 1927 1,632,365 Process of Producing Paints and Stains

James Crocker April 25, 1911 990,231 Air Compressor

Walter A. Hill Aug. 29, 1989 4,860,490 Movable Root Contact-Pressure Plate Assembly for Hydroponic System

Walter A. Hill June 8, 1993 5,216,836 Movable Root Contact/Pressure Plate Assembly for Hydroponic System

Lonnie G. Johnson* Mar. 6, 1979 4,143,267 Digital Distance Measuring Instrument

Lonnie G. Johnson* Jan. 1, 1980 4,181,843 Variable Resistance Type Sensor Controlled Switch

Lonnie G. Johnson* Mar. 3, 1981 4,253,606 Automatic Sprinkler Control

Lonnie G. Johnson* May 27, 1986 4,591,071 Squirt Gun

Lonnie G. Johnson* Feb. 16, 1988 4,724,683 Johnson tube, a thermodynamic heat pump

Lonnie G. Johnson* July 19, 1988 4,757,946 Flow Actuated Pulsator



Powell Johnson Nov. 2, 1880 234,039 Eye Protector

Portia L. Trenholm Mar. 2, 1948 D148,894 Design for an Earring Rack

Portia L. Trenholm Mar. 2, 1948 D148,894 Design for an Earring Rack


Truman C. Tucker Oct. 31, 1933 1,933,517 Combined Water Cooler and Support Therefor



Booker T. Washington May 19, 1903 728,364 Valve-Gear for Steam-Engines



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