Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826173 | Enhanced subscriber IP alerting | Fen-Chung Kung, Jesse Eugene Russell, Hopeton S. Walker, Spencer Wang | 2004-11-30 |
| 6775267 | Method for billing IP broadband subscribers | Fen-Chung Kung, Hopeton S. Walker, Spencer Wang | 2004-08-10 |
| 6690675 | User programmable fail-proof IP hotline/warm-line | Fen-Chung Kung, Jesse Eugene Russell, Spencer Wang | 2004-02-10 |
| 6687360 | Personal IP follow-me service | Fen-Chung Kung, Jesse Eugene Russell, Hopeton S. Walker, Spencer Wang | 2004-02-03 |
| 6678265 | Local number portability database for on-net IP call | Fen-Chung Kung, Jesse Eugene Russell, Hopeton S. Walker, Spencer Wang | 2004-01-13 |