US Patent 8955533 Multiple pressure ratio valve assembly
Patent 8955533 was granted and assigned to Sonnax on February, 2015 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 7, 2013
Date of Patent
February 17, 2015
Patent Applicant
Patent Application Number
13912857
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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