Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382820 | Method for producing a built hollow valve | Peter Kroos, Alexander Mueller, Alexander Puck | 2016-07-05 |
| 9255559 | Metallic hollow valve | Peter Kroos, Roland Schacherer | 2016-02-09 |