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US Patent: 421,477
Gas Engine
Patentees: John Charles Beckfeld (exact or similar names) - Allegheny, PA Albert Schmid (exact or similar names) - Allegheny, PA USPTO Classifications: 60/39.828, 60/731, 60/737 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. 18, 1889 Granted: Feb. 18, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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