US Patent: 892,112 - Chain Pipe Wrench


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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:

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.

Arthur C. Fraser & Co. - patent attorneys