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US Patent: 619,546
Monkey Wrench
Patentee:
John K. Daniels (exact or similar names) - St. Paul, MN

USPTO Classifications:
74/109, 81/136, 81/331, 81/340, 81/358

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. H. Gardner
F. G. Badberg
F. T. Bradbury
Patent Dates:
Applied: Dec. 27, 1897
Granted: Feb. 14, 1899

Patent Pictures:
John K. Daniels patent February 14, 1899
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Description:
The secondary lever handle operates a gear which moves the adjustable jaw. A spring-tensioned pawl holds the adjustment.

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