Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466548 | Hop by hop quality of service measurement system | — | 2002-10-15 |
| 6466550 | Distributed conferencing system utilizing data networks | William R. Foster | 2002-10-15 |
| 6421720 | Codec-independent technique for modulating bandwidth in packet network | — | 2002-07-16 |
| 6404870 | Method and apparatus for authorization based phone calls in packet switched networks | Azita Ebrahimi Kia, David R. Oran | 2002-06-11 |