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US Patent: 320,743
Traction Engine
Patentee: Albert C. Ames (exact or similar names) - Chicago, IL USPTO Classifications: 180/6.34, 180/6.4, 254/328, 254/346 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 07, 1884 Granted: Jun. 23, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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