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US Patent: 667
Rotary steam-engine
Patentees: Aretus A. Wright (exact or similar names) - Warsaw, NY Oliver Wright (exact or similar names) - Warsaw, NY USPTO Classifications: 267/293, 415/201 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: William Andrews John Wilder	Patent Dates: Granted: Apr. 02, 1838 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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