Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Heinz Epping, André Michaelis, Günter Pöppel | 2017-05-23 |
| 8180097 | Dynamic electro-acoustic transducer and earphone | Elmar Schulze | 2012-05-15 |