US Patent: 1,491,942


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Wrench

Patentee:

John Zilliox (exact or similar names) - Orchard Park, NY

USPTO Classifications:

81/176

Tool Categories:

wrenches : nut wrenches

wrenches : wrench adjustment types : screw adjust wrenches

Assignees:

None

Manufacturer:

Park Metalware Co., Inc. - Orchard Park, NY

Witnesses:

none listed

Patent Dates:
Applied:	Feb. 07, 1921
Granted:	Apr. 29, 1924

Patent Pictures:

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Description:

The focus of the patent is the manufacturing processes for the component parts.

Ken Cope's "American Wrench Makers 1830-1930" indicates Park Metalware produced this wrench along with several others patented by Zilliox: 1,386,217, 1,535,281, 1,639,831