Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690651 | Method and apparatus for automatic transfer of a call in a communications system in response to changes in quality of service | John D. Rutledge | 2004-02-10 |
| 6674746 | Method and apparatus for voice over internet protocol swapping in a communications system | — | 2004-01-06 |