Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412170 | Method of manufacturing a control flap | Werner Happenhofer, Helmut Schwaiger, Stefan Schmid | 2002-07-02 |
| 6279528 | Intake device | Werner Happenhofer, Stefan Schmidt, Helmut Schwaiger | 2001-08-28 |
| 5832894 | Variable air intake device | Carsten Espe | 1998-11-10 |