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US Patent: 2,650,512
Pipe Wrench with Nut Fulcrumed Pivoted Outer Jaw
Patentees:
Walter J. Johnson - Buffalo, NY
Carl G. Ertell - Eggertsville, NY

USPTO Classifications:
81/101

Tool Categories:
wrenches : pipe wrenches

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

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jul. 14, 1950
Granted: Sep. 01, 1953

Patent Pictures:
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Description:
Fraser, Myers & Manley - patent attorneys

Original application 14 Jul 1950. Divided and this application filed 21 Nov 1951.

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