Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199273 | Directional valve, especially for breathing gases, and method for manufacturing same | Christian Wilhelm | 2021-12-14 |
| 10670158 | Directional valve, especially for breathing gases, and method for manufacturing same | Christian Wilhelm | 2020-06-02 |