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Black history inventors are listed alphabetically: use the A to Z index bar to navigate and select or just browse the many listings. Each listing has the name of the black inventor followed by the patent number(s) which is the unique number assigned to an invention when a patent is issued, the date the patent was issued, and a description of the invention as written by the inventor. If available, links are provided to in-depth articles, biographies, illustrations and photos on each individual inventor or patent. How to
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Abrams to Asom > B
William B Abrams
- #450,550, 4/14/1891, Hame Attachments Part for a draft horses' collar.
Elijah Abron
- #7,037,564, 5/2/2006, Substrate sheets with removable strip
Christopher P. Adams
- #5,641,658, 6/24/1997, Method for performing amplification of nucleic acid with two primers bound to a single solid support
James S Adams
- #1,356,329, 10/19/1920, Propelling means for airplanes.
- #4,172,004, 10/23/1979, Method for forming dense dry etched multi-level metallurgy with non-overlapped vias
- #4,201,800, 5/6/1980, Hardened photoresist master image mask process
- #4,289,834, 9/15/1981, Dense dry etched multi-level metallurgy with non-overlapped vias
- #4,472,728, 9/18/1984, Imaging X-ray spectrometer
- #4,543,442, 9/24/1985, GaAs Schottky barrier photo-responsive device and method of fabrication
- #4,618,380, 10/21/1986, Method of fabricating an imaging X-ray spectrometer
Ralph W Alexander
- #256,610, 4/18/1882, Corn planter check rower
Winser Edward Alexander
- #3,541,333, 11/17/1970, System for enhancing fine detail in thermal photographs
Charles William Allen
- #613,436, 11/1/1898, Self-Leveling Table
Floyd Allen
- #3,919,642, 11/11/1975, Low cost telemeter for monitoring a battery and DC voltage converter power supply
James B. Allen
- #551,105, 12/10/1895, Clothes Line Support
James Metthew Allen
- #2,085,624, 6/29/1937, Remote control apparatus
John H Allen
- #4,303,938, 12/1/1981, Pattern generator for simulating image generation
John S Allen
Robert T Allen
- #3,071,243, 1/1/1963, Vertical coin counting tube
Tanya R Allen
- #5,325,543, 7/5/1994, Undergarment with a pocket for releasably securing an absorbent pad
- #3,908,633, 9/30/1975, Fireplace Damper Actuating Tool
Alexander P Ashbourne
- #163,962, 6/1/1875, Process for Preparing Coconut
- #170,460, 11/30/1875, Biscuit Cutter
- #194,287, 8/21/1877, Process of Treating Coconut
- #230,518, 7/27/1880, Refining Coconut Oil
Moses T. Asom
- #5,386,126, 1/31/1995, Semiconductor devices based on optical transitions between quasibound energy levels
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