Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10874813 | Respiratory mask arrangement as well as headband arrangement and respiratory gas evacuation device for a respiratory mask | Stefan Madaus, Harald Vogele | 2020-12-29 |
| 9789274 | Respiratory mask arrangement as well as headband arrangement and respiratory gas evacuation device for a respiratory mask | Stefan Madaus, Harald Vogele | 2017-10-17 |