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US Patent: 427,672
Monkey Wrench
Patentee:
Henry B. Cary (exact or similar names) - Los Angeles, CA

USPTO Classifications:
81/93

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
Henry B. Cary - Los Angeles, CA
Alfred W. Eames - Los Angeles, CA

Manufacturer:
Not known to have been produced

Witnesses:
H. P. K. Peck
N. J. Judah
Patent Dates:
Applied: Jul. 09, 1889
Granted: May 13, 1890

Patent Pictures:
Henry B. Cary patent May 13, 1890
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Description:
The cam lever on the back side of the movable jaw tightens and locks the grip, allowing the wrench to be used as a vise.

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