Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865528 | Method and arrangement for starting an hydraulic diaphragm pump against load | Josef Jarosch | 1989-09-12 |
| 4811624 | Hydraulically actuated stroke adjusting device | — | 1989-03-14 |