Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606505 | Wireless centrex call screen | Albert Chow, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2003-08-12 |
| 6591115 | Wireless centrex call hold | Albert Chow, Jesse Eugene Russell, Spencer Wang, Wenchu Ying | 2003-07-08 |
| 6587683 | Unconditional call forwarding in a wireless centrex services system | Albert Chow, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2003-07-01 |
| 6574470 | Programmable ring-call forwarding in a wireless centrex services system | Albert Chow, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2003-06-03 |
| 6546253 | Neighborhood cordless service call handoff | Albert Chow, Spencer Wang, Wenchu Ying | 2003-04-08 |
| 6535730 | Wireless centrex conference call adding a party | Albert Chow, Spencer Wang, Wenchu Ying | 2003-03-18 |