Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7065356 | Systems and methods for preventing unauthorized use of roaming numbers in a wireless telecommunications system | Victor Corby | 2006-06-20 |
| 6603849 | System and method for call re-direction in H.323 network | Sridhar Kolar | 2003-08-05 |
| 6487425 | Method and system for switching a mobile station from a low power limited operations mode to a normal operating mode | Kaushal Thakker | 2002-11-26 |
| 6366791 | System and method for providing a musical ringing tone on mobile stations | David Boltz, Walt Evanyk | 2002-04-02 |
| 6130940 | Local number portability intelligent signaling transfer point | Ping Chi Wong | 2000-10-10 |