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US Patent: 575,661
Gas or Oil Engine
Patentee: Walter F. Trotter (exact or similar names) - Marshalltown, Marshall County, IA USPTO Classifications: 123/255, 123/257 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: W. Clyde Jones Edward E. Pion R. J. Jacker	Patent Dates: Applied: May 18, 1896 Granted: Jan. 19, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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