US Patent: 631,056 - Pipe Wrench


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US Patent: 631,056

Pipe Wrench

Patentees:

Ira Sylvester Van Etten (exact or similar names) - Cygnet, OH

William Edward Berry (exact or similar names) - Cygnet, OH

USPTO Classifications:

81/100, 81/129, 81/185.1

Tool Categories:

wrenches : pipe wrenches

Assignees:

Ira Sylvester Van Etten - Cygnet, OH

Charles M. Stanburrough - Cygnet, OH

William J. Christie - Cygnet, OH

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Apr. 12, 1899
Granted:	Aug. 15, 1899

Patent Pictures:

Ira S. Van Etten and William E. Berry patent Aug. 15, 1899

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Description:

A "swinging hook jaw" type design with a gripping piece in the angle of the "hook." The hook jaw has several holes in its long shank and the pivot pin can be pulled out and reinserted to adjust the size range.