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CA Patent: CA-11,734
Improvements in steam engines
Patentees: Joseph H. Killey (exact or similar names) - Hamilton, ON, Canada Hugh Fairgrieve (exact or similar names) - Hamilton, ON, Canada USPTO Classifications: Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Jan. 01, 1880 Patent Pictures: CIPO Data Report data errors or omissions to steward Joel Havens

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