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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 (New site tip)
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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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