Otis Boykin

Invented Resistors for Pacemakers.
Female Inventor - blackinventor.com

Sarah Boone

Created a Version of the Ironing Board.
Black Inventor - blackinventor.com

Henry Blair

Invented a Seed Planter and Corn Harvester.

Miriam Benjamin

Invented a "Gong and Signal" chair for hotels.

Andrew Beard

Created the "Jenny Coupler."

Patricia Bath

Created a Laser Surgical Device.