Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466651 | Call agents and systems and methods for providing emergency call services on heterogeneous networks | — | 2002-10-15 |
| 6449491 | Apparatus and methods for conducting group calls in wireless communications systems | — | 2002-09-10 |
| 6377560 | Group call capability in a wireless network | — | 2002-04-23 |