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US Patent: 208,565
Rotary- Engine
Patentee: Joseph Butcher (exact or similar names) - New York, NY USPTO Classifications: 91/340, 91/351, 91/352 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 03, 1877 Granted: Oct. 01, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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