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US Patent: 2,600,617
Adjustable Crowfoot Wrench
Charles F. Coates - Glendale, CA

USPTO Classifications:
81/165, 81/177.85, 81/DIG.8

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

J. H. Williams & Co. - Buffalo, NY

J. H. Williams & Co. - Buffalo, NY

none listed

Patent Dates:
Applied: Dec. 01, 1948
Granted: Jun. 17, 1952

Patent Pictures:
Charles F. Coates patent June 17, 1952
USPTO pdf tiff
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J.H. Williams SC8 (at alloy artifacts)
The patent adds a socket for a standard socket drive at right angles to the head of an adjustable jaw wrench.

Produced as the J.H. Williams SC-8 Adjustable Crowfoot.

Parker, Prochnow & Farmer - patent attorneys

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