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US Patent: 151,639
Pipe Wrenches
Patentee:
James B. Westwick (exact or similar names) - Galena, IL

USPTO Classifications:
81/90.9

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. P. Hoffman
Joseph H. Barry
E. H. Bates
George E. Upham
Patent Dates:
Applied: Feb. 14, 1874
Granted: Jun. 02, 1874

Patent Pictures:
James B. Westwick Pat. June 2, 1874
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Description:
The pivoting jaw face and adjustable hook jaw are shaped so that four gripping surfaces bear on a pipe or other object to be turned.

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