Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519938 | Spring device | Michael Hewel | 2019-12-31 |
| 7784772 | Spring system | Axel Knopp, Stefan Bonnekessel, Rainer Massmann, Rolf Mintgen, Torsten Rickenberg +4 more | 2010-08-31 |
| 7506556 | Device for opening and closing a vehicle body part | Andreas Ritter, Heiko Schilken, Michael Kleinmann, Michael Hewel | 2009-03-24 |