Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785560 | Speed calling in a wireless centrex system | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2004-08-31 |
| 6778832 | Neighborhood cordless service call handoff | Albert Chow, Jinman Kim, Spencer Wang | 2004-08-17 |
| 6771953 | Wireless centrex call transfer | Albert Chow, Jinman Kim, Spencer Wang | 2004-08-03 |
| 6745025 | Time-of-day call forwarding in a wireless centrex services system | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2004-06-01 |
| 6738615 | Wireless centrex caller ID | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2004-05-18 |
| 6711401 | Wireless centrex call return | Albert Chow, Jinman Kim, Spencer Wang | 2004-03-23 |
| 6654615 | Wireless centrex services | Albert Chow, Jinman Kim, Jesse Eugene Russell, Spencer Wang | 2003-11-25 |
| 6654603 | Call waiting in a wireless centrex system | Albert Chow, Spencer Wang, Jinman Kim | 2003-11-25 |
| 6643507 | Wireless centrex automatic callback | Albert Chow, Jinman Kim, Spencer Wang | 2003-11-04 |
| 6643504 | Automatic wireless service activation in a private local wireless system | Albert Chow, Richard Henry Erving, Robert Raymond Miller, II, Christopher W. Rice, Jesse Eugene Russell | 2003-11-04 |
| 6631258 | Busy call forwarding in a wireless centrex services system | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2003-10-07 |
| 6618600 | Distinctive ringing in a wireless centrex system | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2003-09-09 |
| 6606493 | Wireless centrex conference call deleting a party | Albert Chow, Jinman Kim, Spencer Wang | 2003-08-12 |
| 6606505 | Wireless centrex call screen | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2003-08-12 |
| 6594488 | Method and apparatus for over-the-air activation of neighborhood cordless-type services | Albert Chow, Spencer Wang | 2003-07-15 |
| 6591115 | Wireless centrex call hold | Albert Chow, Jinman Kim, Jesse Eugene Russell, Spencer Wang | 2003-07-08 |
| 6587683 | Unconditional call forwarding in a wireless centrex services system | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2003-07-01 |
| 6574470 | Programmable ring-call forwarding in a wireless centrex services system | Albert Chow, Jinman Kim, Hopeton S. Walker, Spencer Wang | 2003-06-03 |
| 6546253 | Neighborhood cordless service call handoff | Albert Chow, Jinman Kim, Spencer Wang | 2003-04-08 |
| 6535730 | Wireless centrex conference call adding a party | Albert Chow, Jinman Kim, Spencer Wang | 2003-03-18 |
| 6470179 | Automatic service selection feature for neighborhood residential cordless service | Albert Chow, Spencer Wang | 2002-10-22 |
| 6456839 | Method and apparatus for billing a neighborhood cordless service | Albert Chow, Jesse Eugene Russell, Spencer Wang | 2002-09-24 |
| 6445911 | Method and apparatus for providing neighborhood cordless services | Albert Chow, Robert Raymond Miller, II, Jesse Eugene Russell, Spencer Wang | 2002-09-03 |
| 6243572 | Method and apparatus for billing a neighborhood cordless service | Albert Chow, Jesse Eugene Russell, Spencer Wang | 2001-06-05 |