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US Patent: 576,855
Monkey Wrench
Patentees:
William Butler Kelly (exact or similar names) - Barboursville, KY
Henry Bowman (exact or similar names) - Barboursville, KY

USPTO Classifications:
81/135

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. R. Jones
A. W. Hopper
Franck L. Ourand
Bennett S. Jones
Patent Dates:
Applied: Sep. 09, 1896
Granted: Feb. 09, 1897

Patent Pictures:
William Butler Kelly and Henry Bowman patent February 9, 1897
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Description:
Rack teeth on the swinging handle engage rack teeth on the movable jaw to hold its adjustment.

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