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US Patent: 31,034
Pipe Wrench
Improvements in Wrenches for Turning Pipes, Round Bolts, and Similar Articles
Patentee:
Ezra Ripley - Troy, NY

USPTO Classifications:
81/155, 81/98

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. Stone
J. J. Savage

Patent Dates:
Granted: Jan. 01, 1861

Patent Pictures:
Ezra Ripley Pat. Jan. 1, 1861
USPTO pdf tiff
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Description:
An adjustable rotating face for the "fixed jaw" is the patented feature of this swinging hook jaw pipe wrench.

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