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Innovation and Inventors 6 min read

Osbourne Dorsey: The Black Inventor Behind the Door Knob

Introduction to Osbourne Dorsey Osbourne Dorsey was a notable African American inventor, best remembered for his contribution to the development of the door knob, an…

blackdollarandculture@gmail.com April 4, 2025

Osbourne Dorsey: The Black Inventor Behind the Door Knob

The Intel That Moves Markets.