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US Patent: 626,037
Pipe Wrench
Patentee:
James J. Rhinelander (exact or similar names) - Harmony, PA

USPTO Classifications:
81/111

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Duplex Wrench Co. - Butler, PA
Standard Nipple Mfg. Co. - Pittsburgh, PA

Witnesses:
J. P., Appleman
A. M. Haymaker
John Noland
E. W. Arthur

Patent Dates:
Applied: Nov. 30, 1898
Granted: May 30, 1899

Patent Pictures: [ 1 | 2 | 3 ]
James J. Rhinelander patent May 30, 1899
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Description:
The gripping face on the main shank and gripping surfaces on the clamping jaws provide a firm grip on pipe.

Corresponding Canadian patent CA-70,551 was granted March 12, 1901.

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