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US Patent: 1,522,465
Internal Grinding Machine
Patentee: George C. Kimmel (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 125/11.18, 29/DIG.55, 451/123, 451/143, 451/221, 451/363, 451/906 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: May 06, 1921 Granted: Jan. 06, 1925 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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