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US Patent: 626,841
Drill Chuck for V Shank Drills
Patentee: Carl Oswald Muehlberg (exact or similar names) - East Pittsburg, Allegheny County, PA USPTO Classifications: 279/69 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press chucks Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 25, 1899 Granted: Jun. 13, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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