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US Patent: 2,072,336
Duplicating Machine
Patentee: Einar K. Johansen (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 409/102 Tool Categories: metalworking machines : milling machines Assignees: Clearing Machine Corp. - Chicago, Cook County, IL Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: May 14, 1934 Granted: Mar. 02, 1937 Patent Pictures: USPTO (New site tip) Google Patents 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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