US Patent 8164429 Operational-state responsive audiovisual systems
Patent 8164429 was granted and assigned to Mattel, Inc. on April, 2012 by the United States Patent and Trademark Office.
Is a
Date Filed
January 29, 2009
Date of Patent
April 24, 2012
Patent Application Number
12361832
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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