Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647534 | Device for heating an interior of an electric vehicle | Michael Kelz | 1997-07-15 |
| 5646614 | System for monitoring the front or rear parking space of a motor vehicle | Guenter Abersfelder, Helmut Grantz | 1997-07-08 |