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US Patent: 807,166
Tool-holder and tool
Patentee: Charles W. Grant - Derby, CT USPTO Classifications: 407/102, 407/112, 407/64, 407/88, 408/188, 408/239R, 411/395, 470/80, 470/98 Tool Categories: metalworking machines : metal lathes : lathe tool holders Assignees: None Manufacturer: O. K. Tool Holder Co. - Shelton, CT Witnesses: Thomas McCabe John H. Finn	Patent Dates: Applied: Apr. 28, 1904 Granted: Dec. 12, 1905 Patent Pictures: USPTO pdf tiff Google Patents Report data errors or omissions "Vintage Machinery" entry for O. K. Tool Holder Co.

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