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US Patent: 574,162
Multiple Screw Machine
Patentee: George G. Prentice (exact or similar names) - New York, NY USPTO Classifications: 226/147, 279/108, 29/36, 29/43, 408/129, 408/71, 470/74, 74/816, 82/157 Tool Categories: metalworking machines : screw machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 25, 1895 Granted: Dec. 29, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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