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US Patent: 78,132
Improvement in planer-chucks
Patentee: Charles H. Riggs (exact or similar names) - Windsor Locks, CT USPTO Classifications: 269/221, 269/248, 269/85 Tool Categories: metalworking machines : metal planers : metal planer accessories work holding : vises : chucks Assignees: None Manufacturer: Not known to have been produced Witnesses: E. W. Bliss J. W. Mathewson	Patent Dates: Granted: May 19, 1868 Reissue Information: Reissued as RE3,121 (Sep. 15, 1868) Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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