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CA Patent: CA-1,220,186
High Pressure Ball Valve Robinet A Boisseau Spherique Pour Hautes Pressions
Patentee: Francis V. Marchal (exact or similar names) - Erie, Erie County, PA USPTO Classifications: Tool Categories: industrial tools : industrial valves Assignees: Skinner Engine Co. - Erie, Erie County, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 20, 1983 Granted: Apr. 07, 1987 Patent Pictures: CIPO Data Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Skinner Engine Co.
Description: Patented in the U. S., #4,460,157 & in Europe, #EP-141,888.

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