| 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 |