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US Patent: 262,894
Traction Engine
Patentee: George H. Helvey (exact or similar names) - Hamilton, Butler County, OH USPTO Classifications: 74/363 Tool Categories: propulsion and energy : steam apparatus : steam traction engines Assignees: Hooven, Owens & Rentschler Co. - Hamilton, Butler County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 19, 1882 Granted: Aug. 15, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hooven, Owens & Rentschler Co.

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