Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031708 | Methods and apparatus for dual-tone multi-frequency signal analysis within a media over internet protocol network | Xiaomin Lu, Bruce Mattie, Simon Arthur Oakley, David E. Sturtevant | 2011-10-04 |
| 8018918 | Methods and apparatus for dual-tone multi-frequency signal conversion within a media over internet protocol network | Rakendu Devdhar, Xiaomin Lu, Simon Arthur Oakley | 2011-09-13 |
| 7583590 | Router and method for protocol process migration | Kaarthik Sivakumar, Suresh Bhogavilli, Samir Shah | 2009-09-01 |