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US Patent: 258,673
Wrench
Patentee:
John Elmer Preston (exact or similar names) - Brunswick, ME

USPTO Classifications:
81/164, 81/186

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred G. Dieterich
P. C. Dieterich
William H. W. Newell
Frank O. Purington

Patent Dates:
Applied: Apr. 06, 1882
Granted: May 30, 1882

Patent Pictures: [ 1 | 2 ]
John E. Preston patent May 30, 1882
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Description:
The patented feature is the shape of the jaws.

A known unmarked adjustable axle nut wrench made of brass has jaws matching this patent; its current owner considers it to be a match.

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