Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8681960 | Extending originating capabilities of a subscriber to devices in any telephony network | Carl W. Amport, Jon R. Diener, John P. Ernst, Alan E. Frey, John A. Kerkstra +5 more | 2014-03-25 |
| 5436896 | Conference bridge for packetized speech-signal networks | Thomas W. Anderson, Paul W. Vancil | 1995-07-25 |