Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9277039 | Headset and headphone | Axel Schmidt, Jan Peter Kuhtz, Olaf Leske, Olav Nisse, Christian Grone +2 more | 2016-03-01 |
| 8559665 | Headset and headphone | Axel Schmidt, Jan Peter Kuhtz, Olaf Leske, Olav Nisse, Christian Grone +2 more | 2013-10-15 |