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US Patent: 560,298
Wrench
Patentee:
William L. Murphey (exact or similar names) - San Francisco, CA

USPTO Classifications:
81/147, 81/179

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
California Wrench Co. - unk., CA

Manufacturer:
Not known to have been produced

Witnesses:
Baldwin Vale
Chas. J. Armbruster
E. F. Murdock
Patent Dates:
Applied: Jun. 21, 1895
Granted: May 19, 1896

Patent Pictures:
William L. Murphey patent May 19, 1896
USPTO (New site tip)
Google Patents
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Description:
The movable jaw slides on the shank. The focus of the patent is the sliding gripping surface on the face of the movable jaw.

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