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Patent number:
Patent Date:
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
USPTO
(New site tip)
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Report data errors or omissions to steward Stan Schulz
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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