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US Patent: 69,577
Lathe Chuck
Patentee: John O'Connor (exact or similar names) - Buffalo, Erie County, NY USPTO Classifications: 269/219, 269/242, 269/84, 82/170 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: John O'Connor - Buffalo, Erie County, NY E. M. Ketchum - Buffalo, Erie County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Oct. 08, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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