jack johnson wrench patent

Jack Johnson - The Black Inventor Online Museum- jack johnson wrench patent ,26/11/2012· While in prison, Johnson found need for a tool which would help tighten of loosening fastening devices. He therefore crafted a tool and eventually patented it on April 18, 1922, calling it a wrench. Jack Johnson died on June 10, 1946 in an automobile accident inJack Johnson Wrench1413121-Jack Johnson Wrench 1413121-Jack Johnson Wrench SKU: $7.95 $7.95 Unavailable per item tools | 1992 | Johnson, Jack A | Facebook Twitter Pinterest Google+ *Background aged paper blueprint chalkboard beige (standard) aged dark blue white ...





Jack Johnson - The Inventors

Theworld's first African American heavyweight champion patented a wrench (U.S.patent#1,413,121)on April the 18th, 1922. JackJohnson, defeated Canadian Tommy Burns on December 26, 1908, in the WorldBoxing Championship held in Sydney. This initiated the quest to find a"Great White Hope" to defeat Johnson.

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US1239936A - Wagon-jack and wrench. - Google Patents

wrench plates wagon screw jack Prior art date 1916-08-23 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Inventor

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Monkey wrench - Wikipedia

The monkey wrench is a type of adjustable wrench, a 19th century American refinement of 18th-century English coach wrenches.It was widely used in the 19th and early 20th century and is most commonly used by plumbers today. It is of interest as an antique among tool collectors and is still occasionally used in maintenance and repair when it happens to be convenient.

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Jackie's Historical Facts: Jack Johnson Patents Wrench.

Jack Johnson Patents Wrench. The world's first African American heavyweight champion patented a wrench ( U.S.patent#1,413,121 ) on April the 18th, 1922. Jack Johnson, defeated Canadian Tommy Burns on December 26, 1908, in the World Boxing Championship held in Sydney.

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US Patent: 1,413,121 - Wrench - DATAMP

US patent 1,413,121 Wrench was issued to John Arthur Johnson of Leavenworth, KS. It was granted on 04/18/1922. Turning the end of the handle adjusts the jaw opening; the effective length of the handle lengthens as the jaws open. {br}This patent is of note

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Jack Johnson (boxer) - Wikipedia

Johnson received a patent for improvements which he made in the monkey wrench, but the first patent for a monkey wrench was awarded in the 1840s, around 30 years before he was born. [90]

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Jackie's Historical Facts: Jack Johnson Patents Wrench.

Jack Johnson Patents Wrench. The world's first African American heavyweight champion patented a wrench ( U.S.patent#1,413,121 ) on April the 18th, 1922. Jack Johnson, defeated Canadian Tommy Burns on December 26, 1908, in the World Boxing Championship held in Sydney.

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Jack Johnson - Patent Drawing For A Wrench

Jack Johnson patent for a wrench The world's first African American heavyweight champion Jack Johnson patented improvements to the wrench (U.S. patent# 1,413,121) on April the 18th, 1922. You can read about Jack Johnson's biography.

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US1239936A - Wagon-jack and wrench. - Google Patents

wrench plates wagon screw jack Prior art date 1916-08-23 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Inventor

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Jack Johnson - The Black Inventor Online Museum

26/11/2012· While in prison, Johnson found need for a tool which would help tighten of loosening fastening devices. He therefore crafted a tool and eventually patented it on April 18, 1922, calling it a wrench. Jack Johnson died on June 10, 1946 in an automobile accident in

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