Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255957 | Process and device for controlling the closure of locks | Wilhelm Sonderegger, Thomas Hupp | 2001-07-03 |
| 5724024 | Device for detecting the presence of persons on seats | Wilhelm Sonderegger, Thomas Hupp | 1998-03-03 |