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US Patent: 1,404,337
Clamping support for grinding machines
Patentee: Bernard Bethke (exact or similar names) - Milwaukee, WI USPTO Classifications: 451/361 Tool Categories: metalworking machines : grinders : sharpening machines : bench or pedestal grinders Assignees: Luther Grinder Mfg. Co. - Milwaukee, WI Manufacturer: Luther Grinder Mfg. Co. - Milwaukee, WI Witnesses: Leverett C. Wheeler O. C. Weber	Patent Dates: Applied: Mar. 10, 1920 Granted: Jan. 24, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Luther Grinder Mfg. Co.

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