Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117097 | Lever valve with securing hook | Stephan Sellen, Georges Barthelemy | 2024-10-15 |
| 11927308 | Differential pressure opening and excess flow closing valve for gas cylinder | Stephan Sellen | 2024-03-12 |