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US Patent: 451,620
Gas or Vapor Engine
Patentee: George W. Lewis (exact or similar names) - La Salle, IL USPTO Classifications: 123/146, 123/188.4, 123/65VS Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: George W. Lewis - La Salle, IL Charles Brunner - Peru, La Salle County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 04, 1890 Granted: May 05, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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