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US Patent: 504,614
Gas Engine
Patentee: Charles William Pinkney (exact or similar names) - Smethwick, Stafford County, England USPTO Classifications: 123/90.32, 123/90.61 Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: Charles William Pinkney - Smethwich, Stafford County, England George Tangye - Birmingham, Warwick County, England George Handel Haswell - Birmingham, Warwick County, England Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 13, 1893 Granted: Sep. 05, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Tangyes Ltd.

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