Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539090 | Generalized arrangement for routing telecommunications calls | Alan E. Frey | 2003-03-25 |
| 6535596 | Call processing system utilizing subscriber services and preferences | Alan E. Frey | 2003-03-18 |