Index of black inventors by state or country of residence 1834-2008
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TNErnest P. Alleyne June 29, 1943 2,323,183 Obstetrical Instrument Kenneth W. Armstead Sep. 20, 1988 4,772,281 Patient underpad Kenneth W. Armstead July 24, 1990 4,943,286 Patient Underpad Kenneth W. Armstead Feb. 22, 2000 6,028,241 Patient Underpad William J. Ballow Mar. 29, 1898 601,422 Combined Hat Rack and Table Caliver Ambrose Jan. 5, 1926 1,568,498 Work Cabinet Ceffus Clark, Jr. Apr. 25, 1989 4,823,979 Trash Container Ceffus Clark, Jr. Nov. 9, 1993 D341,046 Rolled Product Dispenser with Storage Tray Ceffus Clark, Jr. Aug 2, 1988 D296,981 Portable hydraulic vise Allen Dixon July 7, 1914 1,102,328 Fireplace Fender Allen Dixon Aug. 20, 1912 1,036,084 Trap Allen Dixon July 19, 1921 1,384,942 Trap Dennis A. Forbes Apr. 17, 1934 D91,996 Card for a Chemistry Card Game Raymond Hunter Feb. 8, 1983 4,372,372 Shower Bath Economizer Faye LeVert Sep. 3, 2002 6,442,779 Portable Feet Elevator Faye LeVert June 26, 2007 7,235,057 Adjustable Foot Eelevator Francis E. LeVert Aug. 19, 1980 4,218,043 Manual Automobile Pusher Francis E. LeVert Mar. 31, 1981 4,259,575 Directional Gamma Detector Francis E. LeVert July 28, 1981 4,280,684 Manual Automobile Pusher Francis E. LeVert Feb. 16, 1982 4,316,180 Directional Detector of Changes in a Local Electrostatic Field Francis E. LeVert Feb. 2, 1988 4,722,610 Monitor for Deposition on Heat Transfer Surfaces Francis E. LeVert Aug. 23, 1988 4,765,943 Thermal Neutron Detectors and system Using the Same Francis E. LeVert Feb. 21, 1989 4,805,454 Continuous Fluid Level Detector Francis E. LeVert Oct. 26, 1993 5,256,878 Self Powered Eetector Based Monitor for Radiographic Cameras Francis E. LeVert Aug. 22, 1995 5,443,108 Upwardly Deployed Privacy Blind Francis E. LeVert July 30, 1996 5,541,464 Thermionic Generator Francis E. LeVert Jan. 27, 1998 5,711,324 Hair Drying Curler Apparatus Francis E. LeVert June 5, 2001 6,240,967 Sleeve Assembly for Protecting Conducting Wires Against Damage by Cutting Implements Francis E. LeVert Sep.4, 2001 6,282,814 Spring Cushioned Shoe Francis E. LeVert Mar. 5, 2002 6,353,656 Radioisotope Based X-ray Residual Stress Analysis Apparatus Francis E. LeVert Sep. 3, 2002 6,442,779 Portable feet elevator Francis E. LeVert June 24, 2003 6,583,617 Barkhausen Noise Measurement Probe with Magnetoresistive Sensor and Cylindrical Magnetic Shield Francis E. LeVert Dec. 23, 2003 6,665,957 Fluid flow System for Spring-Cushioned Shoe Francis E. LeVert Mar. 15, 2005 6,865,824 Fluid flow System for Spring-Cushioned shoe Francis E. LeVert May 3, 2005 6,886,274 Spring Cushioned Shoe Francis E. LeVert Jan. 9, 2007 7,159,338 Fluid flow System for Spring-Cushioned Shoe Francis E. LeVert May 22, 2007 7,219,447 Spring Cushioned Shoe Francis E. Levert June 26, 2007 7,235,057 Adjustable Foot Eelevator Francis E. LeVert, II Aug. 22, 1995 5,443,108 Upwardly Deployed Privacy Blind Gerald C. LeVert June 5, 2001 6,240,967 Sleeve Assembly for Protecting Conducting Wires Against Damage by Cutting Implements Gerald C. LeVert June 24, 2003 6,583,617 Barkhausen Noise Measurement Probe with Magnetoresistive Sensor and Cylindrical Magnetic Shield Elbert R. Robinson Sep. 19, 1893 505,370 Electric Railway Trolley Brinay Smartt Sep. 12, 1905 799,498 Reversing Valve Brinay Smartt Dec. 4, 1906 837,427 Reversing Valve Brinay Smartt Sep. 28, 1909 935,169 Valve Gear Brinay Smartt Jan. 10, 1911 981,019 Rotary Valve Mary H. Toland May 4, 1920 1,339,239 Float Operated Circuit Closer Ulysses S. Walton Mar. 23, 1943 2,314,674 Denture
Ned E. Barnes June 13, 1905 792,109 Sand Band 
Ned E. Barnes Mar. 13, 1906 815,059 Rail and Tie Brace Ned E. Barnes Sep. 29, 1908 899,939 Hot Box Cooler and Oiler Ned E. Barnes Sep. 6, 1910 969,592 Indicator or Bulletin Ned E. Barnes Jan. 12, 1915 1,124,879 Automatic Film Mover Ned E. Barnes Apr. 25, 1916 1,180,467 Tie Plate for Railway Ned E. Barnes July 4, 1916 1,190,083 Railway and Rail Brace Ned E. Barnes Feb. 27, 1923 1,446,957 Rail Brace Ned E. Barnes Jan 3, 1928 1,655,305 Tie, Plate and Joint Brace Ned E. Barnes June 12, 1928 1,673,729 Pole, Post and Tree Protector Sharon J. Barnes Jan. 29, 1991 4,988,211 Process and Apparatus for Contactless Measurement of Sample Temperature Thomas H. Brittain Nov. 23 1909 940,671 Level Mark E. Dean* Oct. 3, 1995 5,455,523 Method and apparatus for non-linear transmission line termination Mark E. Dean* Aug. 6, 1996 5,544,342 System and Method for Prefetching Information in a Processing System Mark E. Dean* Aug. 20, 1996 5,548,746 Non-Contiguous Mapping of I/O Addresses to Use Page Protection of a Process Mark E. Dean* Sep. 3, 1996 5,553,276 Self-Time Processor with Dynamic Clock Generator Having Plurality of Tracking Elements for Outputting Sequencing Signals to Functional Units Mark E. Dean* Feb. 11, 1997 5,603,041 Method and System for Reading from a M-Byte Memory Utilizing a Processor Having a N-Byte Data Bus Mark E. Dean* July 24, 2001 6,266,745 Method and System in a Distributed Shared-Memory Data Processing System for Determining Utilization of Nodes by each Executed Thread Mark E. Dean* Jan. 1, 2002 6,336,170 Method and System in a Distributed Shared-Memory Data Processing System for Determining Utilization of Shared-Memory Included within Nodes by a Designated Application Meredith C. Gourdine* Mar. 22, 1994 5,297,005 Apparatus and Method for Cooling Heat Generating Electronic Components in a Cabinet Meredith C. Gourdine* June 6, 1995 5,422,787 Apparatus and Method for Cooling Heat Generating Electronic Components in a cabinet Meredith C. Gourdine Oct. 10, 1995 5,456,596 Method and Apparatus for Producing Multivortex Fluid Flow Meredith C. Gourdine Jan. 30, 1996 5,487,957 Method and Apparatus for Converting Chemical and Thermal Energy into Electricity Meredith C. Gourdine* Aug. 27, 1996 5,548,907 Method and Apparatus for Transferring Heat, Mass, and Momentum Between a Fluid and a Surface Clarence Gregg Aug. 27, 1918 1,277,307 Machine Gun Jesse Harrison Feb. 9, 1932 1,844,036 Combination Tooth Brush and Paste Holder Elijah H. Holmes Nov. 12, 1895 549,513 Gage Robert M. Henderson June 11, 1991 5,022,617 Collapsible Valet Willie H. Johnson Feb. 4, 1896 554,223 Mechanism for Overcoming Dead Centers Willie H. Johnson Oct. 11, 1898 612,345 Mechanism for Overcoming Dead Centers Willie H. Johnson April 21, 1903 726,167 Water Boiler, Skimmer and Oil Separator Willie H. Johnson June 10, 1913 1,064,655 Pipe Cutter Willie H. Johnson Nov. 24, 1914 1,118,349 Pipe Cutter Charles C. Moore Dec. 26, 1922 1,439,748 Toliet Theophilus E. Neal Nov. 1, 1932 1,885,466 Automatic Blow–Off Theophilus E. Neal Jan. 3, 1933 1,893,435 Shower Spray Theophilus E. Neal Oct. 29, 1940 2,219,428 Smoker’s Pipe Raymond P. Philips July 7, 1959 2,894,121 Radio-Telephone System Featuring Switching Circuit for Portable Radio Transmitter and Receiver Henry F. Stilwell Jan. 19, 1932 1,841,766 Means for Delivery of Mail and Other from Aeroplanes While in Motion 
John White Apr. 30, 1912 1,024,610 Rail Joint Frank Winn Dec. 4, 1888 394,047 Direct Acting Steam Engine Frank Winn Nov. 4, 1919 1,320,953 Rotary Engine
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