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US Patent: 484,830
Traction Engine
Patentee: David S. Stewart (exact or similar names) - Morris, Shawano County, WI USPTO Classifications: 180/9.62 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine propulsion components Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 23, 1892 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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