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US Patent: 583,399
Gas or Oil Vapor Engine
Patentee: George W. Lewis (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 123/146, 123/182.1, 123/532, 123/65R, 123/68, 123/73B, 251/322 Tool Categories: propulsion and energy : internal combustion engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 15, 1895 Granted: May 25, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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