Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270628 | Method and system for actively influencing noise, and use thereof in a motor vehicle | Fabian Evert, Rolf Schirmacher, Florian Walter | 2012-09-18 |
| 6385321 | Reactive sound absorber | Jan Krueger, Philip Leistner, Helmut Fuchs | 2002-05-07 |