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

MD

George E. Alcorn Oct. 19, 1976 3,986,912 Process for controlling the wall inclination of a plasma etched via hole

George E. Alcorn Dec. 13, 1977 4,062,720 Process for forming a ledge-free aluminum-copper-silicon conductor structure

Theodore D. Austin Jan. 20, 1987 4,638,316 Radar Reflecting Electrolytes

John P. Beckley July 23, 1996 5,539,183 Vertically Fitted Portable Electric Furnace

John P. Beckley Dec. 17, 1996 5,585,023 Vertical Lifted Portable Electric Furnace and Method for Use Thereof

John P. Beckley July 21, 1998 5,783,802 Vertically Lifted Portable Electric Furnace and Method for Use Thereof

Charles M. Blackburn Feb. 23, 1960 2,925,722 Expendable Liquid Evaporative Coolant System

Charles M. Blackburn Feb. 12, 1963 3,077,524 Pressure Switch

Charles M. Blackburn Aug. 20, 1963 3,100,965 Hydraulic Power Supply

Charles M. Blackburn Oct. 27, 1964 3,154,093 Fuel Pressurization System

Charles M. Blackburn Jan. 9, 1968 3,362,420 Anti Suffocation Valve

Charles M. Blackburn Jan. 30, 1968 3,366,108 Pressure Regulating Valve for Rebreathing Apparatus

Charles M. Blackburn July 28, 1970 3,521,619 Capsule for Orbiting Otolith Specimens

Charles M. Blackburn Nov. 9, 1971 3,618,819 Electronic Counting Apparatus

Charles M. Blackburn Dec. 25, 1979 4,180,153 High speed batch Counting Apparatus

Charles M. Blackburn April 21, 1981 4,262,470 Packaging System with Cantilevered Web Feed system Accessible for Changing Web

Charles M. Blackburn April 21, 1981 4,262,474 Web Feeding System for Package Forming Machine

Charles M. Blackburn May 5, 1981 4,265,074 Web Processing Mechanism for Forming Packages

Charles M. Blackburn April 3, 1984 4,440,160 Self-Injurious Behavior Inhibiting System

Henry Blair Oct. 14, 1834 8447X Seed Planter

Henry Blair Aug. 31, 1836 15 Corn Planter

Jacob T. Brown July 13, 1999 5,921,396 Specimen Collection kit for Mailing and Method of Using Same

Thomas A. Carrington July 25, 1876 180,323 Improve-ments in Ranges

Emmett W. Chappelle Jan. 21, 1969 3,423,290 Lyophilized Reaction Mixtures

Emmett W. Chappelle April 8, 1969 3,437,560 Use of the Enzyme Hexokinase for the Reduction Inherent Light Levels

Emmett W. Chappelle July 14, 1970 3,520,660 Light Detection Instrument

Emmett W. Chappelle April 20, 1971 3,575,811 Method for the Dectection of Cancer

Emmett W. Chappelle April 20, 1971 3,575,812 Method for the Detection of Virus

Emmett W. Chappelle May 2, 1972 3,660,240 Flavin Co-Enzyme Assay

Emmett W. Chappelle July 10, 1973 3,745,089 Protein Sterilization Method of Firefly Luciferase Using Reduced Pressure and Molecular Sieves

Emmett W. Chappelle July 10, 1973 3,745,090 Method of Detecting and Counting Bacteria in Body Fluids

Emmett W. Chappelle Sep. 4, 1973 3,756,920 Automatic Instrument for Chemical Processing to Detect Microorganisms in Biological Samples My Measuring Light Reactions

Emmett W. Chappelle July 27, 1976 3,971,703 Method of Detecting and Accounting Bacteria

Emmett W. Chappelle March 29, 1977 4,014,745 Application of Luciferase Assay for ATP to Antimicrobial Drug Susceptibility

Emmett W. Chappelle Jan. 2, 1979 4,132,599 Determination of antimicrobial susceptibilities on infected urines without isolation

Emmett W. Chappelle May 24, 1983 4,385,113 Rapid, Quantitative Determination of Bacteria in Water

Emmett W. Chappelle May 2, 1995 5,412,219 Method for determining surface coverage by materials exhibiting different fluorescent properties

Samuel A. Clark, Jr. Dec. 25, 1973 3,780,661 Protective Metal Cap for Plastic Fuze Radomes

Samuel A. Clark, Jr. July 20, 1976 3,971,024 Protective Metal Shield for Plastic Fuze Radomes

Edward H. Collic, Sr. Apr. 14, 1981 4,261,280 Clamp and Hook Arrangement and Attachment for Boat Hooks Used in Docking

Irma G. Dixon Nov. 10, 1959 2,911,647 Underarm Perspiration Pad

Cortland O. Dugger May 23, 2000 6,066,305 Production of transparent cationically-homogeneous nanostructured refractory oxides at reduced temperatures

Harold G. Eaton Nov. 7, 1978 4,124,408 Method of Removing Deposits on Refrigeration System Surfaces

Clarence L. Elder Jan. 12, 1965 3,165,188 Timing Device

Clarence L. Elder Feb. 6, 1968 3,367,525 Non-capsizable Container

Clarence L. Elder Jan. 19, 1971 3,556,531 Sweep-stake Programmer

Clarence L. Elder July 20, 1971 3,594,003 Programmed Association Game

Clarence L. Elder Nov. 6, 1973 3,770,269 Random Unit Generator Amusement Device

Clarence L. Elder Dec. 8, 1976 4,000,400 Bidirect-ional monitoring and control system

Norman R. Hall Mar. 1, 1983 4,375,111 Convertible Mat and Carrying Bag Combination

Mason A. Hawkins Apr. 13, 1915 1,135,281 Music Cabinet

Mason A. Hawkins July 8, 1919 1,309,030 Box for Player Piano Music Rolls

Sewell D. Horad Feb. 10, 1998 5,715,860 Adjustable Valve for Controlling the Amount of Water Refilling a Toilet Bowl after Flushing

Darnley M. Howard June 24, 1969 3,451,127 Method of Making Radome with an Integral Antenna

Donald E. Jefferson Mar. 9, 1965 3,172,868 Process for Forming 2-Hydroxyethyl Methacrylate Foam

Donald E. Jefferson May 18, 1965 3,184,440 Inter-polymer Comprising Acrylic, Acid, and Acrylic Acid Ester and Maleic Anhydride Derivative and a Process of Preparation

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

Donald E. Jefferson Dec. 20, 1966 3,293,198 Foamed Products and Process Therefor

Donald E. Jefferson Mar. 2, 1971 3,567,694 Polyesters, Polamides and Polyesteramide from Acrylic or Methacrylimino Diacetic Acid

Donald E. Jefferson Aug. 10, 1971 3,598,792 Polymers from Diesters of N-Acrylyliminodiacetic Acids

Donald E. Jefferson Dec. 21, 1971 3,629,178 Process of Increasing the Wet Strength of Celluslosic Materials

Donald E. Jefferson Feb. 1, 1972 3,639,364 Preparation of N-Allyliminodiacetimide Dioxine

Donald E. Jefferson July 18, 1972 3,678,468 Digital Data Storage System

Donald E. Jefferson Aug. 1, 1972 3,681,131 Process for Increasing the Wet Strength of Cellulosic Materials

Donald E. Jefferson Oct. 31, 1972 3,701,972 Data Processing System

Donald E. Jefferson July 5, 1994 5,326,026 Energy and peak-load conserving thermostat and method with controlled deadband

Donald E. Jefferson Nov. 10, 1992 5,161,606 Interactive electronic thermostat with minimum and maximum temperature thermal limit switches

Donald E. Jefferson Sep. 14, 1993 5,244,146 Energy-conserving thermostat and method

Donald E. Jefferson Oct. 6, 1998 5,816,491 Method and apparatus for conserving peak load fuel consumption and for measuring and recording fuel consumption

Levonia Jones July 9, 1991 5,030,405 Soap saving method and apparatus

Lester A. Lee July 20, 1976 3,970,955 Gas dynamic-transfer chemical laser

Lester A. Lee May 8, 1977 4,011,116 Carbon Dioxide Laser Fuels

Lester A. Lee March 19, 1985 4,506,368 Dye lasers using 2-(4-pyridyl)-5-aryloxazoles and quaternary salts of these compounds

Emanuel L. Logan, Jr.* July 13, 1971 3,592,497 Door bar Latch

Emanuel L. Logan, Jr.* June 9, 1981 4,271,691 Emergency Release for Deadlocks

Emanuel L. Logan, Jr.* June 9, 1981 4,272,327 Form and Label Combination

Emanuel L. Logan, Jr* Feb. 9, 1982 4,314,722 Timing Apparatus for Delaying Opening of Doors

Emanuel L. Logan, Jr.* Apr. 13, 1982 4,324,425 Point-of-egress Control Device for Securing Exit Doors Safely

Emanuel L. Logan, Jr.* March 24, 1987 4,651,358 Apparatus for Securing a Pivoted Member such as a Toilet seat Lid

Emanuel L. Logan, Jr.* Mar. 24, 1987 4,652,028 Magnetic Emergency Exit Door Lock with Time Delay

Emanuel L. Logan, Jr.* Jan. 19, 1988 4,720,128 Magnetic Emergency Exit Door Lock with Time Delay

Emanuel L. Logan , Jr.* Apr. 10, 2001 6,212,716 Inflatable pillow

Natalie R. Love May 5, 1992 5,110,178 T-top Roof Cover

Samuel D. Love March 8, 1983 4,375,803 Variable fireplace screen and insert

Samuel D. Love Aug. 23, 1983 4,399,806 Fireplace Draft Control

Samuel D. Love Feb. 7, 1984 4,429,681 Fireplace Grate Adapter

Samuel D. Love Jan. 20, 1987 4,637,151 Combinat-ion Stadium Cushion and Pennant

Samuel D. Love March 3, 1987 4,646,716 Andiron Mounting System

Samuel D. Love May 29, 1984 4,450,827 Andiron Mounting System

Samuel D. Love April 30, 1991 5,012,226 Safety Alertness Monitoring System

Samuel D. Love Aug. 1, 1992 5,137,280 Geographi-cal game

Samuel D. Love Jan. 11, 2000 6,012,717 Playing Card Holder

Arthur W. Lyons Oct. 1, 1929 1,730,224 Oil Stove

Samuel P. Massie Apr. 3, 1984 4,440,771 2-Acetyl Quinoline Thiosemicarbazones Useful in Treatment of Gonorrhea, Malaria or Bacterial Infections

Nathaniel A. Mathis Oct. 7, 1975 D237,022 Barber’s Apron

Clayton D. McKindra Jan. 1, 1974 3,783,310 Air-Driven Generator

Clayton D. McKindra Jan. 23, 1973 3,712,170 Aircraft Rocket Firing System

Joel M. Morris Aug. 29, 1972 3,688,047 Switching System Charging Arrangement

Johns R. Moses June 9, 1981 4,272,371 Lubricating oil filter-refiner for internal combustion engines

John R. Moses Dec. 20, 1983 4,420,898 Flat Emergency Exit Sign Utilizing an Electro-Illuminescent lamp

John R. Moses Apr. 10, 2001 6,212,716 Inflatable Pillow

Henry H. Nash Oct. 5, 1875 168,519 Improvement in Life Preserving Stools

George W. Nauflett Mar. 28, 1972 3,652,686 Process for the Synthesis of 2-Fluoro2, 2-Dinitroethanol

George W. Nauflett May 13, 1975 3,882,784 Nitroester propellant, casing, and liner of an epoxy-polyamide copolymer containing a stabilizer

George W. Nauflett May 15, 1979 4,154,658 Purification of 1,1-dimethyl hydrazine (UDMH) containing formaldehyde dimethyl hydrazone

George W. Nauflett July 29, 1980 4,214,929 Liquid monopropellants containing dissolved combustion modifiers

George W. Nauflett July 29, 1980 4,214,929 Liquid Monopropellants Containing Dissolved Combustion Modifiers

George W. Nauflett July 3, 1984 4,457,791 New Plasticizer for Nitropolymers

George W. Nauflett Sep. 4, 1984 4,469,888 Process for the Preparation of 2,4-Dinitro-2,4-Diazapentane

John H. Onley Aug. 7, 1984 4,464,349 Method and Apparatus for the Removal of Carbon Monoxide from the Exhaust Discharges of Small Internal Combustion Engines

Alfred G. B. Prather Dec. 6, 1966 3,289,666 Moveable Prefabricated Fireplace and Handling Hanger Attachment

Alfred G. B. Prather Feb. 6, 1973 3,715,011 Gravity Escape Mean

Alfred G. B. Prather Nov. 30, 1971 3,623,820 Method and Means for Instantly Filling and Sealing an Envelope

Alfred G. B. Prather Aug. 7, 1973 3,750,981 Man-Powered Glider Aircraft

Alfred G. B. Prather May 21, 1974 3,811,642 Collapsible Propeller for Man-Powered Glider Aircraft

Alfred G. B. Prather May 28, 1974 3,813,062 Fan-Like Tail Section for Man-Powered Glider Aircraft

William Queen Aug. 18, 1891 458,131 Guard for Companion Ways or Hatches

Natalie F. B. Robinson May 7, 1996 5,513,852 Time to Win

William H. Richardson June 1, 1886 343,140 Cotton Chopper

William H. Richardson June 18, 1889 405,599 Child’s Carriage

William H. Richardson June 18, 1889 405,600 Child’s Carriage

Ronald B. Royster, Sr. Mar. 7, 1972 D223,086 Rotatable Surveillance Capsule for Buildings

Ronald B. Royster, Sr. Apr. 11, 1972 3,656,111 Computer Controlled Stolen Vehicle Detection System

Bruce K. Smith July 9, 1991 5,030,405 Soap saving method and apparatus

Carl Spight July 24, 1984 4,462,046 Machine vision system utilizing programmable optical parallel processing

Arend J. Thomas June 16, 1981 4,273,992 Electric Heating Apparatus for Heat Treating Pharmaceuticals

Valerie L. Thomas Oct. 21, 1980 4,229,761 Illusion transmitter

Benjamin F. Thornton Nov. 10, 1931 1,831,331 Apparatus for Automatically Recording Telephonic Messages

Posie C. Turner Oct. 7, 1980 4,226,346 Compact foldable bootjack with positive locking device

Posie C. Turner Sep. 24, 1991 5,050,784 Bootjack Stand with Removable Bootjack and Support Posts

Ronald L. Turner Aug. 7, 2001 6,269,964 Food Container

Joseph W. Waller Feb. 3, 1880 224,253 Shoe-maker’s Cabinet or Bench

Charles E. Weir Oct. 5, 1971 3,610,757 High Pressure Optical Cell For Raman Spectrography

Jerome L. Wicks Apr. 20, 1982 4,325,203 Patio door and window guard system invention

Jerome L. Wicks August 30, 1983 4,400,912 Patio door and window guard system

Jerome L. Wicks July 22, 1986 4,601,503 Door security device

Eugene Williams, Sr. Mar. 17, 1981 4,255,872 Audiovisual interview portfolio

Dudley G. Woodard Apr. 6, 1971 3,574,175 Preparation of Water Soluble Acrylic Copolymers for Use in Water treatment

Dudley G. Woodard Feb. 15, 1972 3,642,735 Rapidly Crystallizing Vinylidene Chloride-Acrylonitrile Copolymer Prepared in the Presence of Ceric Salt/Alcolhol Initiator Followed by Steps of Heating and Cooling

Dudley G. Woodard Oct. 22, 1974 3,842,705 Stringed Instruments with Improved Strings Due to Irradiation and Process for producing the same

William A. Johnson Dec. 4, 1888 393,763 Paint Vehicle