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US Patent: 1,337,139
Grinding Machine
Patentee: George C. Kimmel (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 125/11.13, 451/143, 451/363, 451/449 Tool Categories: metalworking machines : grinders : internal grinders Assignees: Cincinnati Grinder Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 15, 1918 Granted: Apr. 13, 1920 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Grinders, Inc.

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