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US Patent: 483,336
Pipe and Nut Wrench
Patentee:
Milford J. Wilson (exact or similar names) - Painesville, OH

USPTO Classifications:
81/107

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. C. Smith
L. J. Fish
L. F. Griswold
W. H. Burridge

Patent Dates:
Applied: May 21, 1892
Granted: Sep. 27, 1892

Patent Pictures:
Milford J. Wilson patent May 27, 1892
USPTO (New site tip)
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Description:
The swinging jaw has sufficient free motion to not "lock" on pipe, but has the pivot located so that there is no free motion on the nut wrench side.

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