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US Patent: 307,771
Traction Engine
Patentees: Nell Johnson (exact or similar names) - Nashotah, Waukesha County, WI John J. Johnson (exact or similar names) - Nashotah, Waukesha County, WI Edward Johnson (exact or similar names) - Nashotah, Waukesha County, WI USPTO Classifications: 474/171, 474/89 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: Feb. 28, 1884 Granted: Nov. 11, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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