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US Patent: 272,447
Traction Engine
Patentees: David Lippy (exact or similar names) - Mansfield, Richland County, OH Jacob Hughes (exact or similar names) - Mansfield, Richland County, OH USPTO Classifications: 180/36, 280/855, 301/43 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 14, 1882 Granted: Feb. 20, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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