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US Patent: 1,281,366
Method of Grinding Hardened Rolls
Patentee: Lewis R. Heim (exact or similar names) - Danbury, CT USPTO Classifications: 451/245, 451/262, 451/268, 451/49 Tool Categories: Assignees: Ball & Roller Bearing Co. - Danbury, CT Manufacturer: Not known to have been produced Witnesses: Chester F. Hayden	Patent Dates: Applied: Jul. 03, 1916 Granted: Oct. 15, 1918 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Original application filed 06 Mar 1915. Divided and this aplication filed 03 Jul 1916. A. M. Wooster - patent attorney

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