Issued Patents All Time
| 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 |
| 4961186 | Communication channel reallocation | Bopsi Chandramouli, Gary L. Eppling | 1990-10-02 |
| 4958343 | Communication channel reservation | Gabriela M. Abramovici, Rolfe E. Buhrke, Bopsi Chandramouli, Robert Dianda, Leo R. Katzenstein +2 more | 1990-09-18 |