Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9277039 | Headset and headphone | Axel Schmidt, Jan Peter Kuhtz, Olav Nisse, Christian Grone, Hatem Foudhaili +2 more | 2016-03-01 |
| 8638969 | Earphone, headset and ear pad | Jan Peter Kuhtz, Olav Nisse, Steffi Beier | 2014-01-28 |
| 8559665 | Headset and headphone | Axel Schmidt, Jan Peter Kuhtz, Olav Nisse, Christian Grone, Hatem Foudhaili +2 more | 2013-10-15 |
| 8369557 | Earphone and headset | Jan Peter Kuhtz, Olav Nisse | 2013-02-05 |
| 8249267 | Earphone and headset | Olav Nisse | 2012-08-21 |
| 8204267 | Earphone and headset | Olav Nisse | 2012-06-19 |
| 6953228 | Actuating device for a brake unit of an electronically controlled vehicle brake system | Bernd Christoffers | 2005-10-11 |
| 6866346 | Actuating device for a brake unit of an electronically controlled vehicle brake system | Bernd Christoffers | 2005-03-15 |