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US Patent: 27,411
Car-spring
Patentee: Walter J. F. Liddell (exact or similar names) - Erie, PA USPTO Classifications: 105/224.05 Tool Categories: Assignees: Benjamin Hershey - Erie, PA Walter J. F. Liddell - Erie, PA Manufacturer: Not known to have been produced Witnesses: W. C. Steen Allen A. Craig	Patent Dates: Granted: Mar. 06, 1860 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Liddell Co.

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