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US Patent: 538,745
Pipe Wrench
Patentee:
Valentine C. Rocholl (exact or similar names) - Fort Wayne, IN

USPTO Classifications:
81/186, 81/98

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Claude Sunsford
J. Arnett
H. C. Hartman
J. M. Stouder
Patent Dates:
Applied: Jun. 12, 1894
Granted: May 07, 1895

Patent Pictures:
Valentine C. Rocholl patent May 7, 1895
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Description:
Hook jaw self-adjusting pipe wrench with a stop on the hook jaw to prevent the jaw swinging out of working range.

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