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US Patent: 1,997,892
Duplicating Machine
Patentee:
Edmund Leo Wall (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
409/102, 91/37

Tool Categories:
metalworking machines : milling machines : milling machine accessories

Assignees:
Rudolph W. Glasner - Chicago, Cook County, IL

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

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 12, 1934
Granted: Apr. 16, 1935

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 4FV-101.

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