Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5449055 | Stop valve device | Alfred Wirth | 1995-09-12 |
| 4821850 | Double-tube vibration damper | Felix Wossner | 1989-04-18 |
| 4643011 | Method of manufacturing a cylinder member of a cylinder piston unit | Felix Wossner | 1987-02-17 |
| 4261381 | Cross-flow controlling valve | — | 1981-04-14 |