US Patent D533869 Microphone tip assembly

Patent D533869 was granted and assigned to Etymotic Research on December, 2006 by the United States Patent and Trademark Office.

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Patent Inventor Names

Andrew J. Haapapuro0

Viorel Drambarean0

Date of Patent

December 19, 2006

Patent Application Number

292470450

Date Filed

May 25, 2006

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