Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128964 | Filter for a microphone system, a microphone system, a miniature electronic device and a method of equipping a printed circuit board | Manuel Weibel, Paul Portmann | 2021-09-21 |
| 9781523 | Hearing instrument | Martin Kuster, Alfred Stirnemann | 2017-10-03 |