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US Patent: 28,053
Pipe-Wrench
Patentee:
William F. Beecher - Chicago, IL

USPTO Classifications:
81/175, 81/97

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. D. Hoodless
Zacheus B. Fifield

Patent Dates:
Applied: Apr. 07, 1860
Granted: May 01, 1860

Patent Pictures:
Wm. F. Beecher Pat. May 1, 1860
USPTO pdf tiff
Google Patents
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Description:
An adjusting screw slides a block containing a jaw segment. The jaw segment has sharp edges, and can be rotated so that when one edge has worn dull the second sharp face can be put to use.

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