Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801781 | Providing a supplementary service in a mobile communications system | Curtis Provost, Donald Keeler | 2004-10-05 |
| 6760344 | Method and apparatus for providing differentiated quality of service in a GPRS network | James Bankhead, Bala Balachander | 2004-07-06 |
| 6731617 | Tunneling signaling method and apparatus | Cecil L. Taylor, Mark Hanson | 2004-05-04 |