Medicine & Healthcare
Technology & Computing
Transportation & Automotive
Household Items
Etc.
100

Dr. Daniel Hale Williams

Open-Heart Surgery

100

Shirley Jackson

Contributed to the development of the touch-tone telephone

100

Garrett Morgan

Three-Light Traffic Signal

100

Sarah Boone

Ironing Board

100

Phillip Downing

Mailbox (1891)

200

Charles Drew

Blood Banks

Pacemaker

200

Mark Dean

IBM Personal Computer

200

Frederick McKinley Jones

Refrigerated Trucks

200

George T. Sampson

Clothes Dryer

200

Alice H Parker

Gas Furnace

300

Patricia Bath

Laser Treatment for Cataracts

300

Marc Hannah

3D Graphics and Imaging

300

Alexander Miles

Automatic Elevator Doors

300

Thomas W. Stewart

Mop

300

Garrett Morgan

Gas Mask

400

Rebecca Lee Crumpler

First Black Woman in the US to earn a medical degree (1864)

400

Mary Van Brittan Brown

Home Security Systems (invented with her husband)

400

Richard Spikes

Automatic Gear Shift

400

Thomas Elkins

Modern Toilet "chamber commode"

400

Lonnie G. Johnson

Super Soaker water gun

500

James McCune Smith

First Black American to earn a medical degree (1837)

500

Marian Croak

Developed Voice of Internet Protocol (VoIP)

500

Elijah Mccoy

Lubrication systems that oiled the steam engines of trains.

500

John W. Burr

Lawn Sprinkler

500

L.C. Bailey

Patented the folding bed (1899).