Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660417 | Nonreturn valve for a compact ventilation system as well as compact ventilation system | Ludger Tappehorn, Klaus Abraham, Andreas Junk | 2023-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660417 | Nonreturn valve for a compact ventilation system as well as compact ventilation system | Ludger Tappehorn, Klaus Abraham, Andreas Junk | 2023-05-30 |