US Patent 7720489 Network initiated USSD in mixed networks
Patent 7720489 was granted and assigned to AT&T Mobility on May, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 12, 2006
Date of Patent
May 18, 2010
Patent Application Number
11548809
Patent Citations Received
Patent Inventor Names
Robert Lee Engelhart, Sr.
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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