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US Patent: D104,869
Design For A Wrench
Patentee:
Norris F. McNaught - Chicago, IL

USPTO Classifications:
81/124.4, D8/17

Tool Categories:
wrenches : automotive specialty wrenches

Assignees:
Duro Metal Products Co. - Chicago, IL

Manufacturer:
Duro Metal Products Co. - Chicago, IL
INDESTRO MFG. CO. - Chicago, IL

Witnesses:
none listed

Patent Dates:
Applied: Dec. 07, 1936
Granted: Jun. 08, 1937

Patent Pictures: [ 1 | 2 ]
Norris F. McNaught design patent June 8, 1937
USPTO pdf tiff
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Description:
Automotive multi-wrench design for several 1930's automobiles; one known example marked with Chevrolet applications.

Cited as a reference in Design patent D176,005.

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