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

DC

Benjamin H. Alexander May 12, 1959 2,886,485 6-Bromo-piperonly and 6-Chloropiperonyl Esters of Chrysanthemumic Acid as Insecticides

Benjamin H. Alexander March 7, 1961 2,974,086 Derivative of 4-Phenyl-2-Butanone for Melon Fly

Benjamin H. Alexander Dec. 25, 1962 3,070,607 Process for Preparing Mixed Piperonly Acetals of AcetaldeHyde

Eugene D. Alexander Mar. 8, 1994 5,292,133 Geographic cultural and economic board game

Eugene D. Alexander June 23, 1998 5,769,100 Synthetic hair-like fuser apparatus

Floyd Allen Nov. 11, 1975 3,919,642 Low cost Telemeter for Monitoring a Battery and DC Voltage Converter Power Supply

Floyd Allen Oct. 10, 1978 4,119,038 Controlled activation of reserve power supplies

James Metthew Allen June 29, 1937 2,085,624 Remote Control Apparatus

Roland Alston Dec. 7, 1937 2,101,380 Mechnical Adjustable Shirt

Derrick L. Artis Dec. 23, 1997 5,699,900 Contact lens case with automatic counter

Theodore D. Austin Dec. 31, 1963 3,116,188 Desensiti-zation of Liquid Explosives

Byron H. Bailey Apr. 15, 1986 4,582,706 Preparation of Liquid Linament

Byron H. Bailey Feb. 27, 1996 5,494,669 Preparation for and Method of Treating Pseudofolliculitis Barbae

Leonard C. Bailey Sep. 15, 1883 285,545 Combined Truss and Bandage

Leonard C. Bailey July 18, 1899 629,286 Folding Bed

Charles R. Beckley Dec. 24, 1974 3,856,345 Folding Chair

Charles R. Beckley Feb. 8, 1977 4,006,910 Folding Seat

Charles R. Beckley Sep. 6, 1977 4,046,417 Folding Furniture Piece

Charles R. Beckley Mar. 21, 1978 4,079,995 Furniture Structure and Joint for Use Therewith

Charles R. Beckley Mar. 27, 1979 4,146,269 Knockdown Furniture Structure

Landrow Bell May 23, 1871 115,153 Improve-ment in Smoke Stacks for Locomotives

Miriam E. Benjamin July 17, 1888 386,289 Gong and Signal Chairs for Hotels

Miriam E. Benjamin Dec. 4, 1917 1,249,000 Sole for Footwear

Lockrum Blue May 20, 1884 298,937 Hand Corn Shelling Device

James M. Brooks Apr. 7, 1914 1,092,688 Envelope Moistener

Phil Brooks Apr. 9, 1974 3,802,434 Disposable Syringe

Henry Brown Nov. 2, 1886 352,036 Receptacle for Storing and Preserving Papers

Hugh M. Browne Apr. 29, 1890 426,429 Sewer and Other Trap

Hugh M. Browne Feb. 7, 1922 1,405,749 Furnace Draft Controller

Hugh M. Browne Dec. 29, 1891 465,829 Fire or Other Alarm

Andrew F. Burton Dec. 12, 1939 2,183,318 Medical and Surgical Apparatus

Andrew F. Burton July 3, 1979 4,159,720 Infusion of Liquids into Tissue

Andrew F. Burton Dec. 14, 1982 4,363,537 Adjustable Spectacles

James W. Butcher, Jr. Mar. 26, 1912 1,020,961 Truck Handle Clamp

Francis E. Butler Aug. 20, 1957 2,803,807 Audible Underwater Signal

Francis E. Butler Nov. 17, 1959 2,912,929 Drill Mine

Francis E. Butler July 4, 1961 2,991,441 Watertight Electrical Connector

Francis E. Butler Apr. 23, 1963 3,086,464 Detachable Practice Mine Selection

George R. Carruthers Nov.11, 1969 3,478,216 Image Converter for Detecting Electromagnetic Radiation Especially in Short Wave Lengths

Thomas J. Carter Apr. 10, 1962 3,028,755 Apparatus for Water Penetration Testing of Sole Leather

Matthew A. Cherry May 8, 1888 382,351 Velocipede

Matthew A. Cherry Jan. 1, 1895 531,908 Street Car Fender

Robert Coates Apr. 19, 1892 473,295 Overboot for Horses

Robert Coates Apr. 14, 1908 884,795 Horse Detacher

Robert Coates May 16, 1911 992,543 Agricultural Implement

Leander M. Coles Mar. 26, 1974 3,799,534 Mortician's Table

Philip A. Collins Oct. 4, 1988 4,775,348 Bubble Machine

Joseph S. Coolidge Nov. 13, 1888 392,908 Harness Attachment

Jonas Cooper May 1, 1883 276,563 Shutter and Fastening Therefor

Donald J. Cotton Aug. 9, 1977 4,040,932 Vertical Liquid Electrode Employed in Electrolytic Cells

Donald J. Cotton May 30, 1978 4,091,829 Vertical Liquid Electrode Employed in Electrolytic Cells

Donald J. Cotton Apr. 27, 1982 4,327,443 Capillary Liquid Fuel Nuclear Reactor

Beatrice L. Cowans Apr. 5, 1977 4,016,314 Embroid-ered Fruit Bowl Wall Hanging and Kit for Making Same

Elbert L. Cox Aug. 1, 1967 3,334,245 Circuit Presettable Bistable Circuits

Arthur U. Craig Mar. 12, 1918 1,258,748 Cushioned Support for Vehicles

Samuel T. Crawford June 14, 1921 1,381,804 Comb

Joseph C. Dacons March 17, 1964 3,125,606 Process for Manufacture of Nitroform and its salts

Joseph C. Dacons Nov. 23, 1965 3,219,706 Nitro-alkylamines

Joseph C. Dacons Jan. 3, 1967 3,296,315 Preparation for Hydroxy Nitrophenyl Compounds

Joseph C. Dacons July 23, 1968 3,394,183 Prepara-tion of 1-3-Damino-2,4,6-Trinitrobenzene

Joseph C. Dacons Oct. 1, 1968 3,404,184 Dime-thoxyhexantrobiphenyl and Process for Producing Same and Diaminohexantrobiphenyl

Joseph C. Dacons June 17, 1969 3,450,778 Dode-canitroquaterphenyl

Joseph C. Dacons July 13, 1971 3,592,860 Octani-troterphenyl

Joseph C. Dacons Aug. 28, 1973 3,755,321 2,4,6-

Tripicryl-S-Triazine

Joseph C. Dacons May 27, 1975 3,886,173 Substituted hexanitrobiphenyls

Joseph C. Dacons Nov. 25, 1975 3,922,279 2,5 Dipicryl Thiazoles

Joseph C. Dacons Dec. 2, 1975 3,923,804 Nitro-Pyrimidines

Joseph C. Dacons Dec. 2, 1975 3,923,830 2,5-Dipicryl thiophenes

Joseph C. Dacons Mar. 8, 1977 4,011,265 3,3"-Diamino- or 3,3"-Dimethoxy-Octanitro-M-Terphenyl

Joseph C. Dacons Dec. 6, 1977 4,061,658 2,5-Dipicrylfurans

Joseph C. Dacons April 7, 1981 4,260,837 Recrystal-lization of Hexsanitrostilbene from Nitric Acid and Water

Sidney N. Davidson Aug. 19, 1952 2,607,103 Body Lifter

Thomas M. Diggs June 22, 1965 3,190,276 Starter for Internal Combustion Engines

Thomas M. Diggs Sep. 14, 1971 3,604,156 Small Portable Universal Spark Plug Cleaner

Thomas M. Diggs Apr. 18, 1972 3,656,599 Centrifugal Clutch

Thomas M. Diggs Oct. 7, 1975 3,911,336 Plural Motor Drive Including a Servo Motor Control System

Thomas M. Diggs July 24, 1984 4,461,365 Bicycle Power Pack

Thomas M. Diggs Aug. 25, 1992 5,141,067 Bicycle Power Pack

Osbourn Dorsey Dec. 10, 1878 210,764 Improve-ment in Door-Holding Devices

Gertrude E. Downing Feb. 13, 1973 3,715,772 Recipro-cating Corner and Baseboard Cleaning Auxiliary Attachment for Rotary Floor Treatment Machines

Harold G. Eaton Nov. 2, 1971 3,617,734 Detection System for Monitoring Gaseous Components in Air

Benedict F. Edelin Jan. 9, 1923 1,441,975 Pneumatic Toy Pistol

Thomas H. Edmonds July 20, 1897 586,724 Separating Screen

Thomas H. Edmonds June 10, 1902 702,292 Bicycle

Thomas H. Edmonds March 3, 1914 1,089,117 Car Ticket, Stamp and Card Holder

Thomas H. Edmonds Jan. 19, 1904 749,779 Illuminated or Number Plate for Automobile-Lamps

Philip Emile, Jr. May 2, 1961 2,982,868 Trans-itorized Gating Circuit

Philip Emile, Jr. Oct. 24, 1961 3,005,963 Tran-istorized multivibrator Circuit Adapted to Oscillate for only a Predetermined Time

Philip Emile, Jr. Feb. 6, 1962 3,020,418 Tran-sistorized Storage Register Indicator Circuit

David A. Fisher Jr. Apr. 20, 1875 162,281 Improve-ment in Joiners’ Clamps

David A. Fisher Jr. Mar. 14, 1876 174,794 Improve-ment in Furniture Caster

Kenneth W. Freelain July 28, 1987 4,682,610 Water Pipe

Kenneth W. Freelain June 8, 1993 5,217,324 Dynamic Breakwater and Pumping System

Kenneth W. Freelain Oct. 21, 1997 5,678,956 Navigat-ional Bypass, Gate and Pump Device for Use in Water

Kenneth W. Freelain June 8, 2004 6,745,566 Hydro-electric Power Cycle Having Buoyant Rack

Irvin S. Frye Sep. 23, 1969 3,468,123 Adjustable Schackle

Alfred L. Goldson Oct. 11, 1988 4,776,546 Parent-Child Bonding Bib

Amy R. Goldson Oct. 11, 1988 4,776,546 Parent-Child Bonding Bib

Clyde E. Gurley Apr. 7, 1970 3,505,476 Automatic Telephone Alarm Apparatus

Clyde E. Gurley Apr. 7, 1970 3,505,483 Program-mable External Dial Operating Device

Lawrence Harbin Oct. 21, 1997 5,680,535 Screen Saver for Exhibiting Artists and Artwords

William S. Hawkins Feb. 28, 1933 1,899,327 Auto Seat Cape

William Hearns Oct. 8, 1912 1,040,538 Device for Removing and Inserting Taps and Plugs in Water Mains

Andrew F. Hilyer Aug. 26, 1890 435,095 Water Evaporator Attachment for Hot Air Registers

Andrew F. Hilyer Oct. 14, 1890 438,159 Evaporator for Hot Air Registers

Darnley E. Howard Jan. 24, 1939 2,145,116 Optical Apparatus for Indicating the Direction of a Tool

Darnley E. Howard Mar. 23, 1943 2,314,499 Apparatus for Reproducing Three Dimensional Patterns and the Like

Wilson E. Hull Nov. 15, 1966 3,286,064 Sublimation Timing Switch

Wilson E. Hull Jan. 28, 1969 3,424,403 Mass Release Mechanism for Satellites

James B. Huntley Apr. 29, 1975 3,880,255 Emergency fire Escape Mechanism

James B. Huntley Jan. 31, 1989 4,802,211 Portable Cordless Phone Holder

James B. Huntley Nov. 12, 1985 4,552,995 Portable Cordless Phone Holder

James B. Huntley Sep. 13, 1994 5,346,111 Portable, Personal Computer, Personal Communicator Holder

Henry A. Jackson Oct. 6, 1896 569,135 Kitchen Table

Norman Jackson July 12, 1921 1,384,134 Pneumatic Tire

Donald E. Jefferson Nov. 29, 1966 3,288,068 Triggered Exploding Wire Device

Milton W. Jetter Feb. 16, 1982 4,316,273 Remote-Controlled Alarm Clock

Milton W. Jetter Sep. 28, 1982 4,352,170 Alarm Deactivation System Employing Timed Manual Switch Operation

Milton W. Jetter Sep. 28, 1982 4,352,171 Clock Alarm-Deactivating System

Milton W. Jetter Jan. 17, 1984 4,426,157 Clock alarm Control System Employing a Push Button Alarm-Deactivation Switch which Must Be Held Depressed for a Time Period

Milton W. Jetter Feb. 7, 1984 4,430,006 Random Multiple Push Button Clock Alarm Deactivation System

James A. Johns Oct. 7, 1890 437,728 Liniment

Howard S. Jones* Apr. 10, 1962 3,029,430 Antenna Testing Shield

Howard S. Jones* July 24, 1962 3,046,507 Waveguide components

Howard S. Jones* Aug. 23, 1966 3,268,837 Reciprocal Ferrite Waveguide Phase Shifter Having Means to Rotate the Magnetic Field to Rotate the Magnetic Field about an Axis of the Ferrite Rod

Howard S. Jones, Jr.* Sep. 27, 1977 4,051,480 Conformal edge-slot radiators

Wilbert L. Jones, Jr. June 28, 1966 3,258,247 Duplex Capstan

Lawrence R. Kelly, Jr. Apr. 7, 1970 3,505,476 Automatic Telephone Alarm Apparatus

Lawrence R. Kelly, Jr. Apr. 7, 1970 3,505,483 Program-mable External Dial Operating Device

Beatrice Kenner May 15, 1956 2,745,406 Sanitary Belt

Mary B. Kenner Apr. 14, 1959 2,881,761 Sanitary Belt with Moisture - Proof Napkin Pocket

James E. Lewis June 11, 1968 3,388,399 Antenna Feed for two Coordinate Tracking Radars