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US Patent: 1,733,086
Centerless Grinder
Patentee: Edward Sobolewski (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 451/189, 451/194, 451/242 Tool Categories: metalworking machines : grinders : centerless grinders Assignees: Cincinnati Grinders, Inc. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 23, 1921 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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