Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8681960 | Extending originating capabilities of a subscriber to devices in any telephony network | Carl W. Amport, John P. Ernst, Alan E. Frey, John A. Kerkstra, Simon S. Ou +5 more | 2014-03-25 |
| 6128378 | Method and apparatus for establishing interlata communication | Kathryn A. Laskowski | 2000-10-03 |