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US Patent: 122,108
Improvement in Wrenches
Patentee:
Aury Gates Coes - Worcester, MA

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
A. G. Coes & Co. - Worcester, MA

Witnesses:
Thomas H. Dodge
Charles H. Burleigh

Patent Dates:
Granted: Dec. 26, 1871

Patent Pictures:
A. G. Coes Pat. Dec. 26, 1871
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Description:
The patent is for a threaded collar that attaches the ferule to the wrench shank, and "flanges" on the interior of the ferule for the collar to bear on. The "jog" on the back side of the bar shown in the drawings is not mentioned in the specifications.

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