US Patent 7781949 Spark plug
Patent 7781949 was granted and assigned to NGK SPARK PLUG CO on August, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 16, 2007
Date of Patent
August 24, 2010
Patent Application Number
11941304
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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