Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239700 | Multi-choice information system for a motor vehicle | Clemens Guenther, Ralf Eck, Christa Heiland-Franzen, Peter Knoll, Winfried Koenig +3 more | 1993-08-24 |
| 5086510 | Multi-choice information system for a motor vehicle | Clemens Guenther, Ralf Eck, Christa Heiland-Franzen, Peter Knoll, Winfried Koenig +3 more | 1992-02-04 |