Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434139 | Method for optimizing mobile wireless communications routed across plural interconnected networks | Chung-Zin Liu | 2002-08-13 |
| 6392999 | Conferencing and announcement generation for wireless VoIP and VoATM calls | Chung-Zin Liu | 2002-05-21 |
| 6377572 | Virtual resource allocation method and apparatus for wireless data communication systems | Michael F. Dolan, Chung-Zin Liu, Harvey Rubin | 2002-04-23 |