US Patent 7242089 Miniature silicon condenser microphone
Patent 7242089 was granted and assigned to Knowles (company) on July, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 22, 2005
Date of Patent
July 10, 2007
Patent Application Number
11112043
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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