Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9813807 | Ear-canal earpiece | — | 2017-11-07 |
| 9661419 | Microphone having a microphone capsule, dynamic sound transducer for headphones, earphones or headsets and method for producing a microphone capsule or a sound transducer | Alwin Harms, André Michaelis, Günter Pöppel | 2017-05-23 |
| 9628925 | Ear canal earpiece and earmold unit for an earpiece | André Michaelis | 2017-04-18 |