This list is not assembled in any chronological fashion; in fact this list of contributional firsts and improved items is exclusive according to what affects our lives and has the greatest apex impact on our modern American cultural society. Some of thing listed below are Americanized improvements to the original ideas.
*All (#) are U.S. Patents
Benjamin Banneker- Clock, city prints of D.C, First Almanac
Garrett Morgan- World’s greatest lifesaver, Gas Mask, American traffic Signal, 1914
Jan Matzelinger- Automatic Shoe Making Machine, 1883
Henry Sampson- Cellular Phone, 1971
John Albert Burr- Improved rotary blade Lawn Mower, 1899
J.S. Smith- Lawn Sprinkler System, patent # 581,785 & 601,065, 1898
John Standard- Improved Refrigerator, patent #455,891, 1891
Thomas Elkins- Improved Refrigerator, patent #221,222
Joseph T. Winters- Fire escapes Ladder, patent #203,517, 1878
Augusta Jackson- improved Modern Ice cream, former White House Chef, 1832?
Dr. Manley West- Discovered compound in Cannibus for Glaucoma treatment, 1980-87
Dr. Philip Emeagwali- Internet pioneer, world’s fastest computer, weather pioneer
Norbert Rillieux- Sugar Refining System, Patent # 3,482,037, 4,879, 1846
Dr. Lloyd Hall- Chemical Compound to preserve meats
Maria V. Brittan Brown- Home Security System, patent #3,482,037 1969
Lewis H. Lattimer- Light bulb carbon filament, worked in Edison laboratory
Elijah McCoy- Auto. Lubrication Sys. For Railroads/heavy Machinery (real McCoy)
Dr. Charles Drew- Invented Blood Plasma, blood banks around the world, 1940
Edmond Berger- Spark plug
Frederick Jones- Auto. Refrigeration sys. On trucks, 60 patents, patent# 2,303,857, 1940
Dr. Daniel Hale Williams- First successful open heart surgery, 1st interracial Hospital
George Washington Carver- revolutionized the uses of the Peanut (300 plus)
Granville T. Woods- Multiplex Telegraph sys, Railway brakes, Steam boiler, Radiator,
Third rail (subway), Trolley Cars, Airbrake system.
Dr. William Hinton- first detected STD’s (Syphilis) in medical tests, Hinton-Davies test
Lonnie G. Johnson- Creator of the Super soaker water gun, patent # 5,150,819
Otis Boykin- Created an improved unit for Pace Maker, variable resistor in Missile
Dr. Mark Dean- IBM co inventor of ISA Systems Bus, 20 patents, 1984
Dr. James West- electro acoustics developer, co-invented elect ret Microphone,
Dr. Percy Lavon Julian- Developed a synthesis for Cortisone (rheumatoid Arthritis)
Dr. Patricia Guth, Created cutting edge in Cataract treatment, Laserphaco Probe, 1988
George T. Sampson- improved ventilation styled Clothes dryer, patent # 476,416
Various Artists- Hip Hop culture developed in early 1970s & Rapping between 1920s-present.
For every Person on this list be mindful that many others who did not or could not get Patents because of there racial & social status in America. This sometimes resulted in stolen ideas. This list was compiled By Edmond Davis, PTC Historian.