US Patent 8874899 Premium services authentication
Patent 8874899 was granted and assigned to Sprint on October, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 13, 2011
Date of Patent
October 28, 2014
Patent Application Number
13005859
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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