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US Patent: 150,469
Chucking and Centering Device for Metal Turning Lathes
Patentee: Charles H. Gatchell (exact or similar names) - Oldtown, Penobscot County, ME USPTO Classifications: 408/105 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 10, 1874 Granted: May 05, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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