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US Patent: 347,469
Gas Engine
Patentee: John H. Clark (exact or similar names) - Boston, MA USPTO Classifications: 123/190.14, 123/195HC, 123/196R, 123/197.1, 123/198D, 123/274, 123/294, 123/41.01, 123/41.2, 123/41.72, 123/41.85, 123/65VD, 123/661, 123/68, 123/70R Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: Oliver Ames - Easton, Bristol County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 12, 1885 Granted: Aug. 17, 1886 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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