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US Patent: 212,463
Rotary-Engine
Patentee: Allen B. Haughey (exact or similar names) - Joplin, Jasper County, MO USPTO Classifications: 418/266 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 23, 1878 Granted: Feb. 18, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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