Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7808981 | Packet telephony across the public switched telephone network | — | 2010-10-05 |
| 6636519 | Network access method and network access server therefor | Dale M. Walsh, Andrew L. Norrell, Donald C. Balton, Terrel L. Jones, Marc Baum +5 more | 2003-10-21 |
| 5912888 | Digital network access server | Dale M. Walsh, Andrew L. Norrell, Donald C. Balton, Terrel L. Jones, Marc Baum +5 more | 1999-06-15 |