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US Patent: 317,886
Drilling-machine
Patentee: Thomas H. Thompson (exact or similar names) - Hartford, CT USPTO Classifications: 408/99 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: Sigourney Tool Co. - Hartford, CT Manufacturer: Sigourney Tool Co. - Hartford, CT Witnesses: Charles L. Burdett E. F. Dimock	Patent Dates: Applied: Sep. 01, 1884 Granted: May 12, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Sigourney Tool Co.

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