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US Patent: 1,451,873
Adjustable Socket Wrench
Patentee:
Israel C. Gellman (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
81/128

Tool Categories:
wrenches : socket wrenches

Assignees:
None

Manufacturer:
Gellman Mfg. Co. - Chicago, Cook County, IL

Witnesses:
none listed

Patent Dates:
Applied: Feb. 04, 1922
Granted: Apr. 17, 1923

Patent Pictures:
Israel C. Gellman patent April 17, 1923
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Description:
Self-adjusting socket wrench with spring-tensioned jaws.

The patent as presented on the U.S. Patent Office web site includes a supplemental correction note.

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