Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505529 | Hydraulic brake system with pressure-closed, gravity-opened check valves | Heinz Siegel | 1996-04-09 |
| 4878519 | Piston accumulator | Hannes Bertling, Thomas Lees, Carsten Pabst | 1989-11-07 |