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US Patent: 428,762
Rotary Gas Engine
Patentee: William S. Sharpneck (exact or similar names) - Chicago, IL USPTO Classifications: 123/145R, 123/229, 418/191 Tool Categories: propulsion and energy : internal combustion engines : rotary engines Assignees: Francis T. Wheeler - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 12, 1889 Granted: May 27, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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