Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012512 | Telephone operator and agent to database communication arrangement | Randall Stephen Hansen, Edward P. Kolasa, Mark Reynolds, Chun P. Tam | 1991-04-30 |
| 4736364 | Switching system control arrangements | Laurence E. Burley, Gregory S. DeWitt, John J. Driscoll, David W. Kelly, Robert A. Trygar | 1988-04-05 |