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US Patent: 539,748
Reversible Chuck
Patentee: Oluf Tyberg (exact or similar names) - Brooklyn, Kings County, NY USPTO Classifications: 279/5 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: Garvin Machine Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 11, 1894 Granted: May 21, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Garvin Machine Co.

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