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US Patent: 593,964
Grinding Machine
Patentee: Clarence J. Luther (exact or similar names) - Poynette, Columbia County, WI USPTO Classifications: 451/128 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: C. J. Luther Co. - Port Washington, WI Manufacturer: Luther Bros. Co. - Milwaukee, WI Luther Grinder Mfg. Co. - Milwaukee, WI Witnesses: G. M. Luther H. L. Butler George W. Young N. E. Oliphant	Patent Dates: Applied: Apr. 19, 1897 Granted: Nov. 16, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Luther Grinder Manufacturing Co.

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