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US Patent: 1,744,413
Socket-wrench tool
Patentees:
Norris F. McNaught - Chicago, IL
Edward H. Peterson - Chicago, IL

USPTO Classifications:
29/437, 74/545, 81/177.1

Tool Categories:

Assignees:
Duro Metal Products Co. - Chicago, IL

Manufacturer:
Duro Metal Products Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 05, 1929
Granted: Jan. 21, 1930

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Duro Metal Products Co.

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