Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11641383 | Method and apparatus for controlling sessions from one or more devices | Doug Chappelle, Johannes Ruetschi, Jeffrey Cripe, Ricardo De Lemos, Qiusheng Jiang +8 more | 2023-05-02 |
| 10686852 | Method and apparatus for controlling sessions from one or more devices | Doug Chappelle, Johannes Ruetschi, Jeffrey Cripe, Ricardo De Lemos, Qiusheng Jiang +8 more | 2020-06-16 |
| 9680687 | Method and apparatus for controlling sessions from one or more devices | Doug Chappelle, Johannes Ruetschi, Jeffrey Cripe, Ricardo De Lemos, Qiusheng Jiang +8 more | 2017-06-13 |
| 8325617 | Method and apparatus for selective recovery from branch isolation in very large VoIP networks | Johannes Ruetschi, Christian Garbin, Thomas O. Nagel | 2012-12-04 |