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EP Patent: EP-141,888
High Pressure Ball Valve
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: Nov. 10, 1983 Granted: May 22, 1985 Patent Pictures: 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 Canada, #CA-1,220,186.

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