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US Patent: 608,439
Screw Wrench
Patentee:
Frederick L. Coes (exact or similar names) - 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
F. H. Beals
Simeon E. King
Charles S. Bacon

Patent Dates:
Applied: Sep. 23, 1897
Granted: Aug. 02, 1898

Patent Pictures:
Frederick L. Coes patent August 2, 1898
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Description:
The patent is for a wrench handle incorporating load-bearing metal side pieces extending from the ferule to the end cap. These pieces would be brazed to the main shank during the assembly process.

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