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US Patent: D105,629
Design for a wrench
Patentee:
Herman W. Zimmerman - North Chicago, IL

USPTO Classifications:
D8/24

Tool Categories:
wrenches : torque wrenches

Assignees:
Automotive Maintenance Machinery Co. - North Chicago, IL

Manufacturer:
Automotive Maintenance Machinery Co. - North Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 02, 1937
Granted: Aug. 10, 1937

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Automotive Maintenance Machinery Co. (AMMCO)

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