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US Patent: 525,575
Wrench
Patentee:
Atenor Assorati - New York, NY

USPTO Classifications:
81/134

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : wrench adjustment types : auxiliary levers on wrenches

Assignees:
Rafael R. Govin - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
R. B. Seward
George Barry
Fredk. Haynes

Patent Dates:
Applied: Dec. 05, 1893
Granted: Sep. 04, 1894

Patent Pictures:
Atenor Assorati patent September 4, 1894
USPTO pdf tiff
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Description:
Roughened surfaces on the inner face of the hinged handle and back side of the main shank provide sufficient grip to hold the adjustment when the handle and the main shank are squeezed together.

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