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US Patent: 403,714
Steam Engine
Patentee: Robert T. Abell (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 91/177, 91/181, 92/122 Tool Categories: propulsion and energy : steam apparatus : oscillating steam engines Assignees: Robert T. Abell - Cleveland, Cuyahoga County, OH Wesley Royce - Cleveland, Cuyahoga County, OH John H. Francis - Cleveland, Cuyahoga County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 26, 1888 Granted: May 21, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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