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US Patent: D105,338
Wrench
Patentee:
Norris F. McNaught (exact or similar names) - Chicago, IL

USPTO Classifications:
81/124.4, 81/125.1, D8/17

Tool Categories:
wrenches

Assignees:
Duro Metal Products Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Dec. 07, 1936
Granted: Jul. 20, 1937

Patent Pictures:
Norris F. McNaught Pat. July 20, 1937
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Description:
The stamped steel wrench has three sizes of 12-point box, 1 square, and one 8-point.

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