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US Patent: 238,935
Piston-packing
Patentee: Walter J. F. Liddell (exact or similar names) - Charlotte, NC USPTO Classifications: 277/470, 277/486 Tool Categories: propulsion and energy : steam engines : steam engine pistons : piston ring and packing Assignees: None Manufacturer: Liddell & Co. - Charlotte, NC Witnesses: Alexander Mahon John G. Center	Patent Dates: Applied: Jan. 13, 1881 Granted: Mar. 15, 1881 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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