Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834103 | Caller control of call waiting services | Linda Roberts, Hong Thi Nguyen | 2004-12-21 |
| 6829342 | System and method for handling voice calls and data calls | Hong Thi Nguyen, Linda Roberts | 2004-12-07 |
| 6810380 | Personal safety enhancement for communication devices | Linda Roberts | 2004-10-26 |
| 6754325 | Caller control of call forwarding services | Linda Roberts, Hong Thi Nguyen | 2004-06-22 |
| 6690774 | Voice mail witness | E-Lee Chang | 2004-02-10 |