Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333046 | Internally cooled valve for an internal combustion engine | Thorsten Matthias, ANTONIUS WOLKING, Fernando Arias | 2022-05-17 |
| 11306625 | Valve rotating device | ANTONIUS WOLKING, Luthfi Arief | 2022-04-19 |