Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827253 | Earphone having separate microphones for binaural recordings and for telephoning | Kai Lange, Nicole FRESEN, Hatem Röschmann-Foudhaili | 2020-11-03 |
| 9936108 | Audio and/or video transmission system | Claus Menke | 2018-04-03 |
| 9584917 | Microphone unit, pocket transmitter and wireless audio system | Claus Menke | 2017-02-28 |