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US Patent: 1,417,210
Wrench
Patentee:
Abner Shirk (exact or similar names) - Decatur, IL

USPTO Classifications:
81/134, 81/138

Tool Categories:
wrenches : pliers type wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Howard D. Orr
Clyde C. Ratcliff
Patent Dates:
Applied: May 14, 1921
Granted: May 23, 1922

Patent Pictures:
Abner Shirk patent May 23, 1922
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Description:
Pliers like handles; the movable jaw is wedged into adjustment by a toothed locking dog, which is actuated by the cam end of one handle.

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