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US Patent: 484,828
Traction Engine
Patentee: David S. Stewart (exact or similar names) - Morris, Shawano County, WI USPTO Classifications: 180/6.48, 180/6.64, 180/6.7 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine tracks Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 21, 1891 Granted: Oct. 25, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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