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US Patent: 460,591
Pipe Wrench
Patentee:
Edward Murphy (exact or similar names) - Urich, MO

USPTO Classifications:
81/108, 81/186

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. S. Duvall
Chas. A. Ford
M. L. Duvall
I. C. Leonard
Patent Dates:
Applied: Jun. 09, 1891
Granted: Oct. 06, 1891

Patent Pictures:
Edward Murphy patent October 6, 1891
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Description:
The gripping heads are circular in form; the movable jaw is attached to a collar threaded on the shank of the fixed jaw.

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