Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331983 | Multicast switching | William T. Haggerty, Phillip Andlauer | 2001-12-18 |
| 6249820 | Internet protocol (IP) work group routing | Kurt Dobbins, David L. Cullerot, William T. Haggerty | 2001-06-19 |
| 5751971 | Internet protocol (IP) work group routing | Kurt Dobbins, David L. Cullerot, William T. Haggerty | 1998-05-12 |