US Patent 7991174 Hearing aid battery barrier
Patent 7991174 was granted and assigned to Insound Medical on August, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 27, 2006
Date of Patent
August 2, 2011
Patent Application Number
11426866
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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