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US Patent: 1,846,956
Grinding Machinery
Patentees: Sol Einstein (exact or similar names) - Cincinnati, OH Lester F. Nenninger (exact or similar names) - Cincinnati, OH Fred Haas (exact or similar names) - Cincinnati, OH USPTO Classifications: 451/14, 451/16 Tool Categories: metalworking machines : grinding machines Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 22, 1926 Granted: Feb. 23, 1932 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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