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US Patent: 220,160
Improvement in compound engines
Patentee: Walter J. F. Liddell (exact or similar names) - Charlotte, NC USPTO Classifications: 91/152, 92/175 Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Liddell & Co. - Charlotte, NC Witnesses: Henry A. Seymour Frank O. McCleary	Patent Dates: Applied: Feb. 26, 1879 Granted: Sep. 30, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Liddell Co.

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