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US Patent: 301,680
Wrench
Patentees:
John H. Coes - Worcester, MA
Frederic L. Coes - Worcester, MA

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
None

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

Witnesses:
Charles H. Burleigh
S. R. Barton

Patent Dates:
Applied: Apr. 07, 1884
Granted: Jul. 08, 1884

Patent Pictures: [ 1 | 2 ]
John H. & Frederic L. Coes patent July 8, 1884
USPTO pdf tiff
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Description:
Redesign of patent no. 289,069, with the hardened insert moved up into the adjustable jaw. The 10 inch size is known.

Those truly interested in all the details of Coes wrench evolution need a copy of Herb Page's "The Brothers Coes And Their Legacy of Wrenches."

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