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US Patent: 300,661
Gas Motor Engine
Patentees: Niles Hibbard Thompson (exact or similar names) - Washington, DC Henry C. Swan (exact or similar names) - Washington, DC USPTO Classifications: 123/143C, 123/434, 123/68, 123/70R Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: Niles Hibbard Thompson - Washington, DC Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 08, 1884 Granted: Jun. 17, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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