US Patent 7162041 Noise canceling microphone with acoustically tuned ports
Patent 7162041 was granted and assigned to Etymotic Research on January, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 27, 2004
0
Date of Patent
January 9, 2007
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Patent Application Number
10951458
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Patent Citations Received
Patent Inventor Names
Andrew J. Haapapuro
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Viorel Drambarean
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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