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US Patent: 607,288
Pipe Wrench
Patentee:
Oramel Charles Stanley - Philadelphia, PA

USPTO Classifications:
81/176, 81/97

Tool Categories:
wrenches : pipe wrenches

Assignees:
Oramel Charles Stanley - Philadelphia, PA
Charles W. Morrison - Philadelphia, PA
John J. McKinley - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Finis D. Morris
Geo. M. Copenhaver
A. Hagen, Sr.
John J. Crout

Patent Dates:
Applied: Dec. 03, 1897
Granted: Jul. 12, 1898

Patent Pictures:
Oramel Charles Stanley patent July 12, 1898
USPTO pdf tiff
Google Patents
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Description:
Worm and rack adjustment; the jaw piece in the movable frame has a spring to give the "wiggle" needed to grip and release pipe.

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