Inventors 1
Inventors 2
Inventors 3
Inventors 4
Inventors 5
100

Who invented the corn planter?

Henry Blair

100

Who invented the Super Soaker?

Lonnie Johnson

100

Who invented over 300 uses for peanuts?

George Washington Carver

100

Who invented the hair brush?

Lyda Newman

100

Who invented the ironing board?

Sarah Boone

200

Who invented the telephone transmitter?

Granville T. Woods

200

Who invented the pencil sharpener?

John L. Love

200

Who invented the gas mask?

Garrett Morgan

200

Who invented the rotary steam engine?

Andrew Jackson Beard

200

Who invented the drug to treat glaucoma?

Percy Julian

300

Who invented the lawn mower?

John A. Burr

300

Who invented the video home security system?

Marie Brown

300

Who invented the fire extinguisher system?

Tom Marshall

300

Who invented the shoe lasting machine?

Jan Matzeliger

300

Who invented the UV telescope and image converter?

George Carruthers

400

Who invented the striking clock with all American parts?

Benjamin Banneker

400

Who invented the automatic steam engine lubricator?

Elijah McCoy

400

Who invented the touch tone telephone?

Dr. Shirley Jackson

400

Who invented a portable air-cooling unit for trucks?

Frederick M. Jones

400

Who invented a multiple effect evaporator for sugar refinement?

Norbert Rillieux

500

Who invented the imaging x-ray spectrometer? 

George E. Alcorn

500

Who invented the Lockheed Model 186 Helicopter?

Paul E. Williams

500

Who invented a hair straightening cream?

Garrett Morgan or 

Madam C.J. Walker

500

Who invented a NASA approved alarm system?

John King

500

Who invented the mobile data telephone?

Jesse E. Russell