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US Patent: D31,142
Pipe Wrench Jaw
Patentee:
Owen Lannon - Lee, MA

USPTO Classifications:
81/100, 81/98, D8/22

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. L. Kilbon
Edward L. Murphy
J. C. Willson

Patent Dates:
Applied: Jun. 01, 1899
Granted: Jul. 04, 1899

Patent Pictures:
Owen Lannon design patent July 4, 1899
USPTO pdf tiff
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Description:
Hook jaw with several adjustment holes in the shank. Pat. no. D31,141 is the parallel handle patent.

Term of patent 14 years.

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