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US Patent: 561,578
Pipe Wrench
Patentee:
Erasmus B. Frizelle (exact or similar names) - Sterling, KS

USPTO Classifications:
81/98

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Unknown

Witnesses:
K. A. Nau
Jos. Gregory
George Wagner
J. W. McCracken

Patent Dates:
Applied: Dec. 31, 1895
Granted: Jun. 09, 1896

Patent Pictures: [ 1 | 2 ]
Erasmus B. Frizelle patent June 9, 1896
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Description:
Two "V" shaped jaw segments with gripping teeth facing each other, and hinged on one side so they will close around and grip any size of pipe within their capacity.

A known example (marked only PAT'D) appears to have been hand made.

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