Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7415116 | Method and system for improving communication in a vehicle | — | 2008-08-19 |
| 5703955 | Method and apparatus for multichannel sound reproduction | Ulf Wustenhagen, Gerhard Steinke | 1997-12-30 |
| 4618987 | Large-area acoustic radiation system | Gerhard Steinke, Wolfgang Hoeg, Werner Lorenz, Wolfgang Ahnert, Frank Steffen +1 more | 1986-10-21 |