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US Patent: 790,656
Automatic Chuck
Patentee: James Pearson (exact or similar names) - Cleveland, OH USPTO Classifications: 279/122 Tool Categories: metalworking machines : metal lathes : metal lathe chucks metalworking machines : metal lathes : turret lathes Assignees: Warner & Swasey Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 12, 1903 Granted: May 23, 1905 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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