Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296177 | Method, system, and network entity for detecting a connection fault | Sixten Johansson | 2007-11-13 |
| 6584122 | Method and system for providing voice and data service | John Matthews | 2003-06-24 |