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US Patent: 255,470
Watch Maker's Chuck
Patentee: John Spickerman (exact or similar names) - Jefferson, Schoharie County, NY USPTO Classifications: 279/16 Tool Categories: metalworking machines : metal lathes : metal lathe chucks metalworking machines : metal lathes : watchmakers lathes Assignees: None Manufacturer: Not known to have been produced Witnesses: W. E. Stanley J. H. Hubbard	Patent Dates: Applied: Jan. 13, 1882 Granted: Mar. 28, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin

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