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US Patent: RE8,793
Chuck for Metal Drills
Patentee: George M. Pratt (exact or similar names) - Middletown, Middlesex County, CT USPTO Classifications: 279/120 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks Assignees: Victor Sewing Machine Co. - Middletown, Middlesex County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 12, 1877 Granted: Jul. 08, 1879 Reissue Information: Reissue of 164,032 (Jun. 01, 1875) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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