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US Patent: 250,955
Gear for Traction Engines
Patentee: Ferris Ogden (exact or similar names) - Mansfield, Richland County, OH USPTO Classifications: 475/230, 475/244 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine propulsion components Assignees: Aultman & Taylor Co. - Mansfield, Richland County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 19, 1881 Granted: Dec. 13, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Aultman & Taylor Machinery Co.

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