US Patent: 189,366


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US Patent: 189,366

Wrench

Patentees:

John D. Lovell (exact or similar names) - Worcester, MA

Aury Gates Coes (exact or similar names) - Worcester, MA

USPTO Classifications:

81/171

Tool Categories:

wrenches : wrench components : wrench handle components

Assignees:

John H. Coes - Worcester, MA

Frederick L. Coes - Worcester, MA

Manufacturer:

Not known to have been produced

Witnesses:

Charles H. Burleigh

Charles B. Stilwell

Patent Dates:
Applied:	Feb. 21, 1877
Granted:	Apr. 10, 1877

Patent Pictures:

A. G. Coes Pat. Apr. 10, 1877

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Description:

The patent is for a hollow cast metal wrench handle, tapped with left-handed threads so the normal motion will tighten the handle to the shank. The patent includes modification of the ferule to mate the handle and ferule. Aury Gates Coes had been killed in a carriage accident in December, 1875.