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US Patent: 485,364
Chuck
Patentee: Dana A. Barnes (exact or similar names) - Schenectady, Schenectady County, NY USPTO Classifications: 279/34 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: Westinghouse Co. - Schenectady, Schenectady County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 31, 1892 Granted: Nov. 01, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Westinghouse Co.

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