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US Patent: 685,963
Chuck Operating Mechanism for Lathes
Patentee: Walter M. Allen (exact or similar names) - Cleveland, OH USPTO Classifications: 279/146, 279/51 Tool Categories: metalworking machines : metalworking machine mechanisms metalworking machines : metal lathes : metal lathe chucks Assignees: Warner & Swasey Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 17, 1901 Granted: Nov. 05, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Warner & Swasey Co.

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