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US Patent: 307,398
Traction Engine
Patentees: Oliver W. Kelly (exact or similar names) - Springfield, Clark County, OH Louis F. Dieter (exact or similar names) - Springfield, Clark County, OH USPTO Classifications: 180/40 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: Springfield Engine & Thresher Co. - Springfield, Clark County, OH Manufacturer: Not known to have been produced Witnesses: Randolph Coleman Paul A. Staley W. L. Cushman	Patent Dates: Applied: Aug. 25, 1884 Granted: Oct. 28, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Springfield Engine & Thresher Co.

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