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US Patent: 322,937
Wrench
Improvement in Rotary and Stationary Wrenches
Patentee:
Edward M. Hungerford (exact or similar names) - Utica, NY

USPTO Classifications:
81/57, 81/57.3

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Pierrepont Bartow
Charles De F. Hoxie
Patent Dates:
Applied: Jan. 26, 1885
Granted: Jul. 28, 1885

Patent Pictures:
Edward M. Hungerford patent July 28, 1885
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Description:
A crank and series of gears turns the rotating head; a slide will lock the gears.

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