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US Patent: 564,769
Gas or Oil Engine
Patentee: Hadwin Swain (exact or similar names) - San Francisco, CA USPTO Classifications: 123/255 Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines propulsion and energy : internal combustion engines : oil engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 16, 1895 Granted: Jul. 28, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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