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US Patent: 228,755
Wrench
Monkey Wrench
Patentee:
Randolph Hayden - Middletown, CT

USPTO Classifications:
81/167, 81/177.1

Tool Categories:
wrenches : nut wrenches
wrenches : bicycle or pocket wrenches

Assignees:
None

Manufacturer:
Randolph Hayden - Middletown, CT

Witnesses:
Wendell R. Curtis
Wilmot Horton
Albert O. Reed
Theo. G. Ellis

Patent Dates:
Applied: Mar. 16, 1880
Granted: Jun. 15, 1880

Patent Pictures:
Randolph Hayden Pat. June 15, 1880
USPTO pdf tiff
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Description:
The focus of the patent is the body comprised of a shell and riveted side plate, and the combination of the interior parts.

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