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US Patent: 460,522
Rotary Engine
Patentee: Montague James Bretherton (exact or similar names) - Fort Worth, Tarrant County, TX USPTO Classifications: 418/111, 418/144, 418/146, 418/151 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 21, 1890 Granted: Sep. 29, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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