US Patent 7130409 Systems and methods using secondary signal backchanneling
Patent 7130409 was granted and assigned to Siemens Communications on October, 2006 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 5, 2002
Date of Patent
October 31, 2006
Patent Application Number
10310468
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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