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US Patent: 1,026,887
Rotary Engine
Patentee: John H. Van Deventer (exact or similar names) - Buffalo, Erie County, NY USPTO Classifications: 418/197, 418/199, 418/202 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: Buffalo Forge Co. - Buffalo, Erie County, NY Manufacturer: Buffalo Forge Co. - Buffalo, Erie County, NY Witnesses: John M. Chipman J. William Ellis Walter H. Kelley Ethel A. Kelly	Patent Dates: Applied: May 15, 1911 Granted: May 21, 1912 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Buffalo Forge Co.

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