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US Patent: 2,360,671
Surface Grinder
Patentees: Frederick S. Haas (exact or similar names) - Cincinnati, OH Carl O. Graves (exact or similar names) - Cincinnati, OH Albert C. Janke (exact or similar names) - Cincinnati, OH USPTO Classifications: 173/152, 173/193, 409/170, 451/215, 451/395, 91/189R, 91/264 Tool Categories: metalworking machines : grinding machines Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 30, 1942 Granted: Oct. 17, 1944 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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