Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826529 | Network and method for providing a call screening telecommunications service with automatic speech recognition capability | Zeeman Zhang | 2004-11-30 |
| 6778640 | Network and method for providing a user interface for a simultaneous ring telecommunications service with automatic speech recognition capability | Zeeman Zhang | 2004-08-17 |
| 6694004 | System and method for simultaneous ring service with centralized subscription data | Hong Thi Nguyen, Zeeman Zhang, Michael Griffiths | 2004-02-17 |