Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854598 | Slide ring seal with carrier body | — | 1989-08-08 |
| 4825824 | Valve clearance adjusting device | Klaus Pesch | 1989-05-02 |
| 4826180 | Valve stem sealing assembly | — | 1989-05-02 |
| 4815425 | Diaphragm seal for a valve tappet | Klaus Pesch | 1989-03-28 |