Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10326867 | Measurement and tuning of hands free telephone systems | Tim Haulick, Guido Kolano, Martin Roessler, Walter Schnug, Markus Buck | 2019-06-18 |
| 8085947 | Multi-channel echo compensation system | Tim Haulick, Gerhard Uwe Schmidt, Markus Buck, Martin Roessler | 2011-12-27 |