Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480666 | Back pressure flap valve arrangement and the use thereof | — | 2019-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480666 | Back pressure flap valve arrangement and the use thereof | — | 2019-11-19 |