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GB Patent: GB-182,204,663
Improvements in steam engines
Patentee: George Stephenson (exact or similar names) - Long Benton, county Northumberland, England USPTO Classifications: Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Mar. 21, 1822 Patent Pictures: Espacenet patent Report data errors or omissions to steward Joel Havens

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