Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315059 | Back pressure flap valve arrangement and the use thereof | Bartosz Kowalski, Jacek Czyzewski, Christian Norman | 2019-06-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315059 | Back pressure flap valve arrangement and the use thereof | Bartosz Kowalski, Jacek Czyzewski, Christian Norman | 2019-06-11 |