US Patent 9263023 Audio speaker with spatially selective sound cancelling
Patent 9263023 was granted and assigned to BlackBerry on February, 2016 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 25, 2013
Date of Patent
February 16, 2016
Patent Applicant
Patent Application Number
14063580
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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