Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6982951 | Method for selecting a restoration path in a mesh network | Robert Duncan Doverspike, Guangzhi Li | 2006-01-03 |
| 6983040 | Method for call forwarding without hairpinning and with split billing | William Todd Marshall, Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan | 2006-01-03 |
| 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 |