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US Patent: 543,925
Wrench
Patentee:
Frederick L. Coes - Worcester, MA

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
Coes Wrench Co. - Worcester, MA

Manufacturer:
Not known to have been produced

Witnesses:
Charles H. Burleigh
Ella P. Blenus

Patent Dates:
Applied: Jan. 09, 1895
Granted: Aug. 06, 1895

Patent Pictures:
Frederick L. Coes Pat. Aug. 6, 1895
USPTO pdf tiff
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Description:
The patent is for interlocking keys that attach the ferule of a Coes wrench to the main shank, including the grooves in the main shank. This patent would be used with a one-piece wood handle.

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