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US Patent: 291,300
Traction Engine
Patentee: Hamilton M. Cormack (exact or similar names) - Malden, Middleswx County, MA USPTO Classifications: 180/36, 180/448, 254/323, 254/343, 254/345, 74/390 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 11, 1883 Granted: Jan. 01, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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