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, Jon R. Diener, Alan E. Frey, John A. Kerkstra, Simon S. Ou +5 more | 2014-03-25 |
| 4873717 | Call coverage arrangement | Wayne A. Davidson, Marybeth Herkes, Ram Kuppuswami, Timothy A. Satalich, John J. Stanaway, Jr. | 1989-10-10 |