Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9303713 | Piston-cylinder unit | Thomas Ehre, Michael Hewel, Axel Knopp, Ralf Rissel, Arnold Schilz | 2016-04-05 |
| 8662236 | Spring-and-damper assembly | Ulrich Koestler, Arne KOEHLER, Gerhard Stein | 2014-03-04 |
| 8579067 | Gas spring and engine hood unit with the gas spring | Axel Knopp, Gerhard Stein, Jörg Wolf | 2013-11-12 |
| 8474568 | Spring device at a swivelable hatch of a motor vehicle | Ulrich Koestler, Arne KOEHLER, Christoph Ulrich | 2013-07-02 |