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US Patent: 580,387
Explosive Engine
Patentees: George H. Ellis (exact or similar names) - Chicago, Cook County, IL John F. Steward (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 123/363, 123/41.79, 123/41.84, 123/58.1, 192/104R Tool Categories: propulsion and energy : internal combustion engines : oil engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 26, 1895 Granted: Apr. 13, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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