Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7589431 | Motor vehicle door lock system | Michael Langfermann, Christian Groewe, Frank Hegerfeld, Klaus Duenne, Andreas Platzkoester | 2009-09-15 |
| 7263635 | Method and device as well as a control unit for monitoring a bus system | — | 2007-08-28 |
| 7091836 | Motor vehicle door locking system and door handle | Checrallah Kachouh | 2006-08-15 |
| 6991476 | Electrical component of a motor vehicle | Matthias Koerwer, Frank Hegerfeld | 2006-01-31 |
| 6936983 | Motor vehicle door lock with an electromechanical central locking system drive | Checrallah Kachouh, Peter Bartel | 2005-08-30 |