Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574469 | System and method of minimizing the number of voice transcodings during a conference call in a packet-switched network | Zeng-Jun Xiang | 2003-06-03 |
| 6546250 | Mobile station preferences in a multiple hyperband capable cellular communications system | Richard Brunner | 2003-04-08 |