Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905113 | Double rolling-lobe spring arrangement | Christoph Bank, Paul Cerny, Gerhard Thurow, Peter Gönnheimer | 2005-06-14 |
| 6783121 | Rolling-lobe spring | Christoph Bank, Paul Cerny, Gerhard Thurow, Peter Gönnheimer | 2004-08-31 |
| 5996980 | Rolling sleeve-type gas spring with dust protection | Peter Gönnheimer | 1999-12-07 |