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US Patent: 425,116
Gas Engine
Patentees: Joseph R. Valentine (exact or similar names) - Pueblo, Pueblo County, CO Alexander T. Griggs (exact or similar names) - Pueblo, Pueblo County, CO USPTO Classifications: 123/255, 123/298, 123/65VD, 123/68 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: Dec. 24, 1889 Granted: Apr. 08, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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