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US Patent: 440,294
Wrench
Improvements in Pipe-Wrenches
Patentee:
Milford J. Wilson (exact or similar names) - Painesville, OH

USPTO Classifications:
81/110

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. L. Fish
E. H. Wackerman
Henry Ford
W. H. Burridge
Patent Dates:
Applied: Aug. 01, 1890
Granted: Nov. 11, 1890

Patent Pictures:
Milford J. Wilson patent November 11, 1890
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Description:
A pivoting dog which can fit in a series of notches in the movable jaw provides the adjustment.

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