Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10506342 | Loudspeaker arrangement in a car interior | Markus Christoph | 2019-12-10 |
| 10453437 | Sound reproduction with active noise control in a helmet | Markus Christoph, Paul Zukowski | 2019-10-22 |
| 10224018 | Arrangements and methods for active noise cancelling | Genaro Woelfl | 2019-03-05 |