Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819945 | Wireless centrex feature activation/deactivation | Albert Chow, Spencer Wang, Wenchu Ying | 2004-11-16 |
| 6785560 | Speed calling in a wireless centrex system | Albert Chow, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2004-08-31 |
| 6778832 | Neighborhood cordless service call handoff | Albert Chow, Spencer Wang, Wenchu Ying | 2004-08-17 |
| 6771953 | Wireless centrex call transfer | Albert Chow, Spencer Wang, Wenchu Ying | 2004-08-03 |
| 6745025 | Time-of-day call forwarding in a wireless centrex services system | Albert Chow, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2004-06-01 |
| 6738615 | Wireless centrex caller ID | Albert Chow, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2004-05-18 |
| 6711401 | Wireless centrex call return | Albert Chow, Spencer Wang, Wenchu Ying | 2004-03-23 |