Dr. Daniel Hale Williams
Open-Heart Surgery
Shirley Jackson
Contributed to the development of the touch-tone telephone
Garrett Morgan
Three-Light Traffic Signal
Sarah Boone
Ironing Board
Phillip Downing
Mailbox (1891)
Charles Drew
Blood Banks
Pacemaker
Mark Dean
IBM Personal Computer
Frederick McKinley Jones
Refrigerated Trucks
George T. Sampson
Clothes Dryer
Alice H Parker
Gas Furnace
Patricia Bath
Laser Treatment for Cataracts
Marc Hannah
3D Graphics and Imaging
Alexander Miles
Automatic Elevator Doors
Thomas W. Stewart
Mop
Garrett Morgan
Gas Mask
Rebecca Lee Crumpler
First Black Woman in the US to earn a medical degree (1864)
Mary Van Brittan Brown
Home Security Systems (invented with her husband)
Richard Spikes
Automatic Gear Shift
Thomas Elkins
Modern Toilet "chamber commode"
Lonnie G. Johnson
Super Soaker water gun
James McCune Smith
First Black American to earn a medical degree (1837)
Marian Croak
Developed Voice of Internet Protocol (VoIP)
Elijah Mccoy
Lubrication systems that oiled the steam engines of trains.
John W. Burr
Lawn Sprinkler
L.C. Bailey
Patented the folding bed (1899).