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US Patent: 603,297
Oil or Gas Engine
Patentee: Walter F. Trotter (exact or similar names) - Marshalltown, Marshall County, IA USPTO Classifications: 123/58.4, 123/590, 123/65VB, 123/74B, 123/74C Tool Categories: propulsion and energy : internal combustion engines : oil engines propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 13, 1895 Granted: May 03, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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