Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748799 | Method and system for monitoring a tire air pressure using a counter | Frank Fischer, Martin Prenninger, Martin Fischer, Franz Hillenmayer | 2004-06-15 |
| 6705157 | Method and system for detection of a tire's change of state | Martin Fischer, Franz Hillenmayer | 2004-03-16 |