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US Patent: 487,313
Gas Engine
Patentees: Samuel Withers (exact or similar names) - London, Middlesex County, England D'Estang Salisbury Covert (exact or similar names) - Chicago, IL USPTO Classifications: 123/146, 123/18R Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 12, 1891 Granted: Dec. 06, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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