Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848410 | Sound transmission device for a motor vehicle | Reinhard Hoffmann, Kay Brodesser | 2005-02-01 |
| 6600408 | Sound transmission device for a motor vehicle | Norbert Walter, Manfred Helget, Thomas Gokeler, Reinhard Hoffmann | 2003-07-29 |