Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915421 | Method for establishing call state information without maintaining state information at gate controllers | William Todd Marshall, Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan | 2005-07-05 |