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US Patent: 952,079
Wrench
Patentee:
George Alexander McIntire - Port Chester, NY

USPTO Classifications:
81/314, 81/363, 81/368

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : wrench components : wrench adjustment locks
wrenches : wrench components : wrench handle components

Assignees:
Perfection Wrench Co. - Port Chester, NY

Manufacturer:
Perfection Wrench Co. - Port Chester, NY

Witnesses:
Daniel E. Kelly
Mae Fitzgibbons

Patent Dates:
Applied: Dec. 14, 1908
Granted: Mar. 15, 1910

Patent Pictures:
George A. McIntire Pat. March 15, 1910
USPTO pdf tiff
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July 1909 ad for PERFECTION WRENCH (FLICKR)
Description:
The patent is described as an improvement on patent no. 858,357 (June 25, 1907). It is a lever action self-adjusting wrench. The improvement is a provision for releasing the locked grip.

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