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US Patent: 486,143
Gas Engine
Patentee: Henry Warden (exact or similar names) - Philadelphia, PA USPTO Classifications: 123/332, 123/344, 123/83 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: Jul. 31, 1890 Granted: Nov. 15, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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