Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186151 | Device for stepping up or transmitting forces and strokes | Paul Schwerdt, Dieter Dorrie | 1993-02-16 |
| 4813601 | Piezoelectric control valve for controlling fuel injection valve in internal-combustion engines | Paul Schwerdt | 1989-03-21 |