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US Patent: RE9,951
Reversing Gear for Steam Traction Engines
Patentee: Andrew J. Hoag (exact or similar names) - Battle Creek, Calhoun County, MI USPTO Classifications: 74/837 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine propulsion components Assignees: Nichols, Shepard & Co. - Battle Creek, Calhoun County, MI Manufacturer: Not known to have been produced Witnesses: Alfred A. Ellsworth Frank W. Dunning Franck L. Ourand R. W. Smith	Patent Dates: Applied: Nov. 07, 1881 Granted: Nov. 29, 1881 Reissue Information: Reissue of 244,807 (Jul. 26, 1881) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Nichols & Shepard Co.

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