Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049836 | Valve stem seal comprising a valve rotating device | Dirk Schober, Frank Zwein, Thorsten Matthias, Stefan Kellermann | 2024-07-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049836 | Valve stem seal comprising a valve rotating device | Dirk Schober, Frank Zwein, Thorsten Matthias, Stefan Kellermann | 2024-07-30 |