Did Jack Johnson Invent the Monkey Wrench?

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

Jack Johnson. The Big Black Fire. by DECOY, ROBERT H.

First wrench was patented this day - This Day in Patent History - Patent Yogi LLC

Jack Johnson World Champion Boxer & Inventor

Biography of Jack Johnson, American Boxing Champion

Modern Marvels (TV Series 1993– ) - “Cast” credits - IMDb

Did Jack Johnson Invent the Monkey Wrench?

PolitiFact Snoop Dogg

etymology - When did Monkeys start making wrenches? - English Language & Usage Stack Exchange

Boxing! Jack Johnson Introduction at Jeffries Fight 1910..off My Glass Negative.

Monkey wrench' dates to 1800s – not name given to boxer Jack Johnson's invention - Africa Check

Jack Johnson Inventor/Boxer Jack johnson boxer, Jack johnson, He is able

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