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US Patent: 2,224,423
Process and Apparatus for Finishing Preground Articles
Patentee: George W. Binns (exact or similar names) - Cincinnati, OH USPTO Classifications: 451/242, 451/461, 451/49, 451/901 Tool Categories: metalworking machines : grinding machines Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 08, 1939 Granted: Dec. 10, 1940 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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