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US Patent: 654,761
Combined Steam and Explosive Engine
Patentee: George Palm (exact or similar names) - Butler, Butler County, PA USPTO Classifications: 123/145R, 123/193.1, 123/41.31, 123/41.72, 123/41R, 123/63, 60/712, 92/208, 92/86 Tool Categories: propulsion and energy : steam engines 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. 18, 1897 Granted: Jul. 31, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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