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US Patent: 333,108
Wrench
Patentee:
Robert S. Carr (exact or similar names) - Hamilton, OH

USPTO Classifications:
81/152, 81/177.1

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

Assignees:
None

Manufacturer:
Gwinner Manufacturing Company - Hamilton, OH

Witnesses:
W. A. Seward
W. T. Coleman

Patent Dates:
Applied: Oct. 12, 1885
Granted: Dec. 29, 1885

Patent Pictures: [ 1 | 2 ]
Patent 333,108 - edited drawing
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Description:
The specifications describe how the malleable iron parts are assembled, and the function of each of the parts.

Most examples marked "YANKEE," some are marked only with the patent date. Also known as "CARR's PAT."

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