Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625474 | Method and apparatus for audio signal based answer call message generation | Christopher Bussan, Donald A. Dorsey | 2003-09-23 |
| 6567663 | Method for continuous home public land mobile network search | Marcia Otting | 2003-05-20 |