Otis Boykin

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Invented Resistors for Pacemakers.
Female Inventor - blackinventor.com

Sarah Boone

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

Henry Blair

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Invented a Seed Planter and Corn Harvester.

Miriam Benjamin

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Invented a "Gong and Signal" chair for hotels.

Andrew Beard

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Created the "Jenny Coupler."

Patricia Bath

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Created a Laser Surgical Device.