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US Patent: 644,610
Traction Engine
Patentees: Riley Knight (exact or similar names) - Moscow, Latah County, ID Ira Wells Knight (exact or similar names) - Moscow, Latah County, ID USPTO Classifications: 180/211180 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine steering apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 08, 1899 Granted: Mar. 06, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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