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US Patent: 538,994
Pipe Wrench
Patentee:
George P. Woelfel (exact or similar names) - Spring Garden, PA

USPTO Classifications:
81/129, 81/405

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
Josiah Bindley - Pittsburgh, PA

Manufacturer:
Not known to have been produced

Witnesses:
W. B. Corwin
H. M. Corwin
C. Byrnes
Patent Dates:
Applied: Jul. 28, 1894
Granted: May 07, 1895

Patent Pictures:
George P. Woelfel patent May 7, 1895
USPTO (New site tip)
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Description:
Adjustable pipe tongs with the jaw pivot in a cam plate. The patent includes alternate gripping surfaces on the straight jaw.

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