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US Patent: 1,752,430
Wrench
Patentee:
Charles B. Gartrell (exact or similar names) - Kansas City, MO

USPTO Classifications:
81/158

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred G. Fischer
Patent Dates:
Applied: Nov. 26, 1928
Granted: Apr. 01, 1930

Patent Pictures:
Charles B. Gartrell patent April 1, 1930
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Description:
Adjusting worm on a pivoted frame, allowing for screw and quick adjustment of the movable jaw.

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