Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949151 | Method for producing a hardened sheet metal section | Oliver Müller, Wilhelm Arns | 2005-09-27 |
| 6726259 | Method of making a steel crossbeam which crossbeam forms a component of a bumper for motor vehicles, and crossbeam | Markus Kettler, Udo Klasfauseweh | 2004-04-27 |
| 6592158 | Method of making a steel crossbeam which crossbeam forms a component of a bumper for motor vehicles, and crossbeam | Markus Kettler, Udo Klasfauseweh | 2003-07-15 |
| 6299226 | Bumper | Achim Kröning, Hui Wang, Dariusz Straznikiewiecz | 2001-10-09 |