Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445785 | Methods and apparatus for local number portability in telecommunication systems | May Y. Chan, David Wang, I-Hsiang Yu | 2002-09-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445785 | Methods and apparatus for local number portability in telecommunication systems | May Y. Chan, David Wang, I-Hsiang Yu | 2002-09-03 |