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US Patent: 701,066
Pipe Wrench
Patentee:
Frederic C. Matteson - Houston, KS

USPTO Classifications:
81/132

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. A. Boswell
George M. Anderson
W. L. Garner
J. H. Riederer

Patent Dates:
Applied: Mar. 13, 1902
Granted: May 27, 1902

Patent Pictures:
USPTO pdf tiff
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Description:
Adjustable hook jaw pipe wrench. Curved lugs on the shank of the movable jaw slide in curved grooves in the main shank. The pivot bolt slides in a central slot in the main shank.

An unmarked malleable two-piece malleable iron pipe wrench appears to correspond to this patent.

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