Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323131 | Method for applying a pre-weakened line to an interior-trim part in a vehicle by means of a laser, said part being provided with a decorative leather layer | Martin Griebel, Norbert Preuss, Walter Lutze | 2008-01-29 |
| 7000942 | Method for introducing a line of weakening with low tearing resistance into an airbag cover and airbag cover produced by this method | Walter Lutze, Martin Griebel, Norbert Preuss | 2006-02-21 |