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US Patent: 1,733,090
Centerless Grinder
Patentee: Harold W. Holmes (exact or similar names) - Cincinnati, OH USPTO Classifications: 125/11.15, 29/DIG.88, 451/194, 451/242 Tool Categories: metalworking machines : grinding machines Assignees: Cincinnati Grinders, Inc. - Cincinnati, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 05, 1923 Granted: Oct. 22, 1929 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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