Did Jack Johnson Invent the Monkey Wrench?

The monkey wrench was not invented by former heavyweight champion Jack Johnson.

African American Odyssey: The Booker T. Washington Era (Part 1)

Jack Johnson (boxer) - Wikipedia

Jack Johnson (boxer) - Wikipedia

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Why were monkey wrenches invented? - Quora

Biography of Jack Johnson, American Boxing Champion

jack johnson, - Cars & Motorbikes Stars of the Golden era

Jack Johnson - The Black Inventor Online Museum

History and Origin of Wrenches and Ratchets – Haus of Tools

Biography of Jack Johnson, American Boxing Champion

African and Black History AfricanArchives - April 18, 1922: Jack Johnson received a patent for his improvement to the monkey wrench. While Johnson was in Leavenworth Federal Prison in Kansas, he found

Jack Johnson World Champion Boxer & Inventor

History and Origin of Wrenches and Ratchets – Haus of Tools

9+ Black Inventors You May Have Missed in History Class + Picture Book Recommendations