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US Patent: 588,751
Pipe Wrench
Patentee:
Phineas W. Lownes - Huntsville, AL

USPTO Classifications:
81/105, 81/165, 81/97

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Janney, Steinmetz & Co. - Philadelphia, PA

Witnesses:
E. R. Lownes
Anna Lownes
Jno. S. Reed
Lawson W. White

Patent Dates:
Applied: Oct. 08, 1896
Granted: Aug. 24, 1897

Patent Pictures: [ 1 | 2 ]
Phineas W. Lownes patent August 24, 1897
USPTO pdf tiff
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Description:
The swinging frame and opening through the handle allow the movable jaw to work against gripping faces on the end or side of the handle.

The patent notes Sidney Cook's Apr. 23, 1889 patent (no. 401,819) and Lownes' Feb. 10, 1891 patent (no. 446,220) that address the same general objective.

This style of LOWNES pipe wrench was marketed as the DUPLEX PIPE WRENCH by Janney, Steinmetz & Co. of Philadelphia.

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