Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013129 | Queuing for radio channel availability | Stephen Goss, Jeffrey Ross Light, Chung-Zin Liu, Omar Salvador, Gitesh Shah +3 more | 2006-03-14 |
| 6658255 | Enhanced wireless radio channel utilization | Stephen Goss, Jeffrey Ross Light, Chung-Zin Liu, Omar Salvador, Gitesh Shah +3 more | 2003-12-02 |
| 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 |
| 6311072 | Methods and apparatus for translating between telephone signaling protocols | Deborah Barclay, Michael F. Dolan, Joe Hall, Laurel Salvador, Robert Shaw Sellinger +1 more | 2001-10-30 |
| 6002679 | Method for assigning feature sets on virtual private telecommunications networks | Chung-Zin Liu | 1999-12-14 |
| 5949770 | Method for assigning feature sets on virtual private telecommunications networks | Chung-Zin Liu | 1999-09-07 |
| 5943332 | Method for implementing virtual private wireless telecommunications networks | Chung-Zin Liu | 1999-08-24 |
| 5905953 | Method for implementing private wireless telecommunications networks | Chung-Zin Liu | 1999-05-18 |
| 5278892 | Mobile telephone system call processing arrangement | Brian D. Bolliger, Talmage P. Bursh, Jr., Kelvin Ho, Alan Stuart Mulberg, LaJeana N. Roberts +3 more | 1994-01-11 |
| 5195090 | Wireless access telephone-to-telephone network interface architecture | Brian D. Bolliger, Talmage P. Bursh, Jr., Marc K. Dennison, Michael J. English, Charles Y. Farwell +14 more | 1993-03-16 |