| 10027511 |
Packet-switched telephony |
John A. Nix, Jeffrey S. Mumma |
2018-07-17 |
| 9674001 |
Packet-switched telephony |
John A. Nix, Jeffrey S. Mumma |
2017-06-06 |
| 9047625 |
Integrated digital broadcasting system, network, and methods |
— |
2015-06-02 |
| 8818864 |
Integrated digital broadcasting system, network, and methods |
— |
2014-08-26 |
| 8527351 |
Integrated digital broadcasting system, network, and methods |
— |
2013-09-03 |
| 7991001 |
Packet-switched telephony call server |
John A. Nix, Jeffrey S. Mumma |
2011-08-02 |
| 7145900 |
Packet-switched telephony call server |
John A. Nix, Jeffrey S. Mumma |
2006-12-05 |