| 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 |
