Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653263 | Bubble storing device with bubble having different zones | — | 1997-08-05 |
| 5503365 | Directly controlled hydraulic pressure valve | Wolfgang Backe, Christoph Latour | 1996-04-02 |