US Patent 7889509 Ceramic capacitor
Patent 7889509 was granted and assigned to NGK SPARK PLUG CO on February, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 31, 2006
Date of Patent
February 15, 2011
Patent Application Number
11513039
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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