Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9438518 | Method and device for controlling DSP channels | Detlef Georg, Gunter Marx, Roland Roth, Norbert Schonfeld | 2016-09-06 |
| 9282190 | Method for transferring control of a conference call | Claus Rist, Martin Glaser | 2016-03-08 |