Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876994 | Hydraulic play compensation element | Bolko Schuseil, Dieter Schmidt | 1989-10-31 |
| 4864982 | Inner element for an hydraulic valve play compensation element | — | 1989-09-12 |
| 4856468 | Ball-and-socket joint | Dieter Schmidt, Michael Zipprath | 1989-08-15 |