Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922790 | Three wire communication protocol | Robert B. Smith | 2005-07-26 |
| 6728238 | Dynamic allocation of voice and data channels in a time division multiplexed telecommunications system | Eric M. Delangis | 2004-04-27 |
| 4520234 | Remote cable switching system | Gary C. Fields | 1985-05-28 |