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US Patent: 34,498
Nut Wrench
Patentees:
F. Hollen (exact or similar names) - Blairsville, IN
A. H. Pierce (exact or similar names) - Blairsville, IN

USPTO Classifications:
81/186, 81/99

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Unknown

Witnesses:
A. B. Barrett
John M. Chase

Patent Dates:
Granted: Feb. 25, 1862

Patent Pictures: [ 1 | 2 ]
Hollen & Pierce. Pat Feb. 25, 1862
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Description:
The jaws open with a scissors type action. A spring tends to close the jaws. The jaws have opposite facing "steps" so the wrench will catch the corners of square nuts and bolt heads only.

A known metal handle example is marked boldly with the patent date.

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