Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882976 | Brake booster | Andreas Abbing, Hannes Bertling, George Kehl, Dietmar Rischen, Ernst-Dieter Schafer +2 more | 1989-11-28 |
| 4860636 | Brake booster for vehicles | Hannes Bertling, Edgar Schmitt, Heinz Siegel | 1989-08-29 |
| 4805066 | Hybrid float switch | — | 1989-02-14 |