US Patent 7307858 Power supply arrangement for battery powered device
Patent 7307858 was granted and assigned to Bernafon on December, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 27, 2003
Date of Patent
December 11, 2007
Patent Application Number
10515582
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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