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Question | Answer |
Thomas L Jennings | dry scouring |
Madame C J Walker | African American hair care products |
George Carruthers | ultraviolet camera |
Alexander Miles | automatic doors for an elevator |
George Washington Carver | products using peanuts, sweet potatoes, and soybeans |
Frederick McKinley Jones | an automatic refrigeration system |
Jan Matzeliger | lasting machine |
Norbert Rillieux | effective vacuum sugar evaporater |
George Edward Alcorn | x-ray |
Lewis Latimer | electric lighting |
Granville Woods | incubator |
Patricia Bath | laserphaco probe |
Garrett Morgan | traffic lights and a gas mask |
Otis Boykin | cardiac pace maker |
Marie Van Brittle Brown | home security system |
Benjamin Banneker | clock |
Sarah Boone | ironing board |
Elijah McCoy | Invented an automatic lubricator for oiling steam engines in 1872. |
Garrett Augustus Morgan | Invented (among many other things) a 3-way automatic stop sign. |
Judy W. Reed | The first African American woman to receive a patent in 1884 for a hand-operated machine used to knead and roll dough. |
Fredrick Jones | Held over 60 patents, most being for the refrigerators. His portable air conditioner was used in World War 2 to preserve medicine and blood serum. |
Granville Woods | Invented numerous devices relating to the railroad including a system of overhead electric conducting lines, air brakes, and a telegraph system that allowed communication between moving trains. |
Thomas J. Martin | Patterned a fire extinguisher in 1872. |
Jan Ernst Matzeliger | Invented the shoe lasting machine , which connected the upper part of the shoe to the sole, a painstaking process that was usually done by hand. This invention revolutionized the shoe making industry. |
Joseph Winters | Invented a fire escape ladder in 1878. |
Sarah E. Goode | Invented a bed that folded up into a cabinet in 1885. Contrary to popular belief, she was not the first African-American woman to receive a patent, but the second. |
Thomas L. Jennings | The first African-American to receive a patent in 1821. It was a dry-cleaning process in 1821. He used the money earned from the patent to purchase relatives out of slavery and support abolitionist causes |