Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5134880 | Tire-pressure monitor for vehicles | — | 1992-08-04 |
| 4783993 | Tire pressure sensor for motor vehicles | Haas Lothar, Schmid Hans-Dieter | 1988-11-15 |
| 4726233 | Electric pressure pick-off | Dieter Eckardt | 1988-02-23 |