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US Patent: 591,952
Explosive Engine
Patentees: Charles I. Cummings (exact or similar names) - Erie, Erie County, PA John C. Hilton (exact or similar names) - Erie, Erie County, PA USPTO Classifications: 123/162, 123/42, 123/65R, 123/74R Tool Categories: propulsion and energy : internal combustion engines : gas and gasoline engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 19, 1896 Granted: Oct. 19, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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