Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197109 | Hearing device with active vent comprising solenoid | Christian Frei, Erwin Kuipers, Manuel Weibel | 2021-12-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197109 | Hearing device with active vent comprising solenoid | Christian Frei, Erwin Kuipers, Manuel Weibel | 2021-12-07 |