Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467770 | Handset or headset | Christian Grone, Oliver Pabst | 2016-10-11 |
| 9002025 | Headset | — | 2015-04-07 |
| 8111857 | In-ear headset and in-ear earphone | Jan Peter Kuhtz | 2012-02-07 |
| 6208743 | Electrodynamic acoustic transducer with magnetic gap sealing | Rainer Wiggers | 2001-03-27 |