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US Patent: 892,112
Chain Pipe Wrench
Patentee:
George Amborn (exact or similar names) - New York, NY

USPTO Classifications:
81/70

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
J. H. Williams & Co. - Brooklyn, NY

Manufacturer:
Not known to have been produced

Witnesses:
Eugene V. Meyers
Theodore T. Snell
Phillip Bellows
Fred White

Patent Dates:
Applied: May 06, 1907
Granted: Jun. 30, 1908

Patent Pictures:
George Amborn patent June 30, 1908
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Description:
Amborn received three chain wrench patents on June 30,1908 -- 892,111, this patent, and 892,113. Aspects of those patents were used in chain pipe wrenches produced by J.H. Williams.

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