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US Patent: 388,987
Drill Chuck
Patentee: George W. McIntyre (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 279/103 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: Jul. 14, 1888 Granted: Sep. 04, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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