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US Patent: 1,679,413
Cutter Grinder
Patentees: Sol Einstein (exact or similar names) - Cincinnati, Hamilton County, OH Lester F. Nenninger (exact or similar names) - Cincinnati, Hamilton County, OH Herman R. Isler (exact or similar names) - Norwood, Hamilton County, OH USPTO Classifications: 451/160, 451/278, 451/374 Tool Categories: metalworking machines : grinders : tool grinders Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 14, 1924 Granted: Aug. 07, 1928 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.

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