Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407520 | Motor-vehicle door lock | Frank Kleefeldt | 2002-06-18 |
| 6006143 | Method of operating a control system for the control of motor vehicle components | Peter Bartel, Wilfried Ostermann | 1999-12-21 |
| 5898230 | Motor vehicle with a central locking unit and a remote control for its operation | Peter Bartel, Klaus Kulik | 1999-04-27 |
| 5808375 | Method of operating an electrical control system for an automotive vehicle having a service-facility mode | Stefan Armbruster, Bettina Gottwald nee Heinze, Achim Jahrsetz, Wilfried Ostermann, Thomas Schönenberg | 1998-09-15 |
| 5802894 | Central locking system for an automotive vehicle with structurally identical door locks | Achim Jahrsetz, Frank Kleefeldt, Wilfried Ostermann | 1998-09-08 |
| 5798576 | Method for resetting a central lock system of a motor vehicle with a remote actuating device | Wilfried Ostermann | 1998-08-25 |
| 5774060 | Motor-vehicle central lock system with transponder in key | Wilfried Ostermann | 1998-06-30 |
| 5744875 | Control system for a vehicle having a multifunctional button for a remote controller | Frank Kleefeldt, Wilfried Ostermann | 1998-04-28 |
| 5736793 | Control system for electrical components of a motor vehicle | Achim Jahrsetz, Frank Kleefeldt, Wilfried Ostermann | 1998-04-07 |
| 5712512 | Method of resetting a central lock system of a motor vehicle having a remote operator | Wilfried Ostermann | 1998-01-27 |
| 5699685 | Central lock system for an automotive vehicle with satellite processors at respective locks | Achim Jahrsetz, Frank Kleefeldt, Wilfried Ostermann | 1997-12-23 |
| 5561420 | Motor-vehicle central lock system with transponder in key | Frank Kleefeldt, Peter Bartel, Willfried Ostermann | 1996-10-01 |