Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669418 | Air check valve for an air spring | — | 1997-09-23 |
| 5601026 | Pressure-medium activated linear drive system | Fritz Rothemeyer, Harald Kranz, Wolfgang Kleiner, Rainer Alles, Roland Merten +1 more | 1997-02-11 |