Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315059 | Back pressure flap valve arrangement and the use thereof | Bartosz Kowalski, Christian Norman, Klaus Bihlet | 2019-06-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315059 | Back pressure flap valve arrangement and the use thereof | Bartosz Kowalski, Christian Norman, Klaus Bihlet | 2019-06-11 |