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US Patent: 2,089,099
Die Sinking and Engraving Machine
Patentees: Erwin G. Roehm (exact or similar names) - Norwood, Hamilton County, OH John C. Campbell (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 409/102, 60/368 Tool Categories: metalworking machines : milling machines Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Jan. 08, 1936 Granted: Aug. 03, 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.

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