Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10141494 | Headset and headphone | Jan Peter Kuhtz, André Grandt, Elmar Schulze, Hatem Foudhaili | 2018-11-27 |
| 9373317 | Headset and headphone | Hatem Foudhaili, André Grandt | 2016-06-21 |
| 9277039 | Headset and headphone | Axel Schmidt, Jan Peter Kuhtz, Olaf Leske, Olav Nisse, Christian Grone +2 more | 2016-03-01 |
| 9247337 | Headphone and headset | Hatem Foudhaili, Axel Grell, Daniel Voss | 2016-01-26 |
| 8559665 | Headset and headphone | Axel Schmidt, Jan Peter Kuhtz, Olaf Leske, Olav Nisse, Christian Grone +2 more | 2013-10-15 |