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US Patent: 2,101,712
Tracer Mechanism for Duplicating Machines
Patentee:
Einar K. Johansen (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
251/14, 251/3, 251/84, 91/37, 91/374

Tool Categories:
metalworking machines : metalworking machine mechanisms

Assignees:
Clearing Machine Corp. - Chicago, Cook County, IL

Manufacturer:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 27, 1937
Granted: Dec. 07, 1937

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Milling Machine Co.
Description:
This patent number was seen on a Cincinnati Milling Machine Co. patent plate.

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