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Patent number:
Patent Date:
US Patent: 581,737
Pipe Wrench
Patentee:
James P. Kennedy (
exact
or
similar
names) - Lebanon, PA
USPTO Classifications:
81/178
,
81/98
Tool Categories:
wrenches
:
pipe wrenches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
D. Weiner Reinold
G. A. Tauberschmidt
Lyman W. W. Hess, Sr.
Patrick F. Murray
Patent Dates:
Applied:
Mar. 11, 1897
Granted:
May 04, 1897
Patent Pictures:
James B. Kennedy patent May 4, 1897
USPTO
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Description:
Swinging hook jaw that can be rotated to enable the wrench to fit a wider range of pipe sizes.
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