US Patent 7923166 Separating membrane for fuel cell
Patent 7923166 was granted and assigned to Tokuyama Corporation on April, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 30, 2006
Date of Patent
April 12, 2011
Patent Application Number
11993653
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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