Index of black inventors by state or country of residence 1834-2008
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KSFrederick J. Douglas Feb. 17, 1914 1,087,354 Valve-Block William Douglass May 2, 1905 789,010 Self Binding Harvester William Douglass May 2, 1905 789,121 Band Spout or Trumpet William Douglass May 2, 1905 789,120 Band Twister William Douglass May 2, 1905 789,122 Carrier Chain William Douglass May 2, 1905 789,123 Band Servering Knife Ervin G. Greene Oct. 10, 1933 1,930,354 Guard for Downspouts Isaiah D. Hughes Nov. 26, 1901 687,312 Combined Excavator and Elevator John A. Johnson Apr. 18, 1922 1,413,121 Wrench John A. Johnson Dec. 12, 1922 1,438,709 Theft Preventing Device for Vehicles John A. Johnson May 19, 1925 1,538,702 Ratchet Crane Edgar H. May May 12, 1914 1,096,733 Carpet Cutting Machine Neal M. Robinson July 11, 1922 1,422,479 Vehicle Wheel
KYGeorge Cook May 30, 1899 625,829 Automatic Fishing Device George Cook Sep. 11, 1900 657,518 Automatic Fishing Device James W. Benton Oct. 2, 1900 658,939 Lever Derrick Shelby J. Davidson Apr. 14, 1908 884,721 Paper Rewind Mechanism for Adding Machines Robert H. Gray Aug. 28, 1894 525,203 Baling Press Robert H. Gray Apr. 9, 1895 537,151 Cistern Cleaner Robert H. Gray May 5, 1903 727,127 Conveyer Robert H. Gray July 12, 1904 764,720 Steam Cooker James M. Mitchell Jan. 16, 1900 641,462 Check Row Corn Planter Mary A. Moore Dec. 4, 1979 4,177,266 Pain Relief Composition and Method of Preparing Same William A. Roberson Jan. 5, 1904 748,986 Portable Laundry William A. Roberson Jan. 24, 1905 780,815 Convertible Cot William H. Robinson Mar. 17, 1914 1,090,502 Mechanical Book Churchill White Nov. 16, 1920 1,358,907 Hemp Brake LA Albert P. Albert Apr. 23, 1907 851,475 Cotton Picking Apparatus Albert P. Albert July 9, 1912 1,031,902 Cotton Picking Apparatus Joseph L. Allain, Jr. Sep. 21, 1982 4,350,164 Portable, Life Monitor, Medical Instrument Joseph L. Allain, Jr. Mar. 26, 1991 5,002,064 Portable Life Detection Monitor Including Lead Fail Detector and Unique Signal Processing System Joseph L. Allain, Jr. July 9, 1991 5,029,590 Portable, Life Detection Monitor System Joseph L. Allain, Jr. May 9, 2000 6,059,105 Motor vehicle and valuable possession flood protection apparatus and method Mark Allain May 9, 2000 6,059,105 Motor vehicle and valuable possession flood protection apparatus and method Yvonne Bolling Feb. 18, 1986 4,570,824 Doorbell Actuated Air Freshener Percy Clay Aug. 13, 1912 1,035,420 Signal Lantern Kurt M. Graves Sep. 27, 1988 4,773,639 Infant Walker Samuel J. Hines May 4, 1915 1,137,971 Life Preserver Samuel J. Hines May 30, 1933 1,911,278 Lawn Mower Attachment Samuel J. Hines Jan. 6, 1948 2,433,952 Safety Parachute Leonard J. Julien Nov. 22, 1966 3,286,858 Cane Planter William J. Nickerson June 27, 1899 627,739 Piano Attachment Leroy R. Posey Jan. 30, 1940 2,188,723 Educational Device Jerome B. Rhodes Dec. 19, 1899 639,290 Water Closet Jerome B. Rhodes June 14, 1904 762,558 Bicycle Attachment Norbert Rillieux’ Aug. 26, 1843 3,237 Vacuum Pan 
Norbert Rillieux’ Dec. 10, 1846 4,879 Evaporat- ing Pan
Arnold Romain Apr. 23, 1889 402,035 Passenger Register Isiah M. Warner Jan. 11, 2000 6,013,738 Composi-tion and Method for Chiral Separations Isiah M. Warner June 23, 1998 5,770,084 Poly-merized Chiral Micelles for Chiral Separations Isiah M. Warner Aug. 7, 2001 6,270,640 Poly-merized Oligopeptide-Surfactant Chiral Micelles Isiah M. Warner Feb. 1, 2005 6,849,722 Poly-merized Oligopeptide-Surfactant Chiral Micelles
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