Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763017 | Method and apparatus for voice port hunting of remote telephone extensions using voice over packet-data-network systems (VOPS) | Patrik Buckingham, Wing-Kuen Chung, Cherng-Daw Hwang | 2004-07-13 |