Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11277698 | Canal hearing devices with improved seals | Paul Wagner, Barjinder Chana, Michael Au, Petra Gunde, Torben Gillich +1 more | 2022-03-15 |
| 10237665 | Canal hearing devices with improved seals | Erdal Karamuk, Petra Gunde, Chuangang Lin, Paul Wagner, Michael Au | 2019-03-19 |