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US Patent: 816,285
Rotary Engine
Patentee: Ira Abbott (exact or similar names) - Wyandotte, Wayne County, MI USPTO Classifications: 418/129, 418/182, 418/265, 91/448 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 04, 1904 Granted: Mar. 27, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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