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US Patent: 618,453
Rotary Reciprocating Engine
Patentees: Martin F. Coomes (exact or similar names) - Louisville, Jefferson County, KY Chauncey Rice (exact or similar names) - Louisville, Jefferson County, KY USPTO Classifications: 91/196 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 07, 1898 Granted: Jan. 31, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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