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US Patent: 2,164,875
Grinding Machine
Patentee: Charles Herfurth (exact or similar names) - Cincinnati, OH USPTO Classifications: 451/221, 451/26, 91/304, 91/330, 91/391R, 92/117R, 92/136 Tool Categories: metalworking machines : grinding machines Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 31, 1938 Granted: Jul. 04, 1939 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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