Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872557 | Portable electronic device | Karl-Heinz Wiemer, Thorsten Kobbelt | 1999-02-16 |
| 4920520 | Method of and a device for safeguarding a vehicle or machinery movable in space | Dieter Maurer, Rigobert Opitz | 1990-04-24 |