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US Patent: 211,943
Improvement in lathe-chucks
Patentee: William L. Sweetland (exact or similar names) - Windsor Locks, CT USPTO Classifications: 279/113 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: None Manufacturer: Hoggson & Pettis Mfg. Co. - New Haven, CT Witnesses: J. W. Johnson William E. Simonds	Patent Dates: Applied: Dec. 21, 1878 Granted: Feb. 04, 1879 Reissue Information: Reissued as RE9,734 (May 31, 1881) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hoggson & Pettis Mfg. Co.

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