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US Patent: 2,485
Construction of rotary engines to be propelled by either water or steam
Patentees: Harry H. Evarts (exact or similar names) - Mount Morris, NY Peckham H. Green (exact or similar names) - Mount Morris, NY USPTO Classifications: 415/141 Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: James W. Riggs A. G. Mordoff	Patent Dates: Granted: Mar. 09, 1842 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Evarts & Merrihew

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