Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9004451 | Conrol valve for a medical suction device | Stefan Schlenker, Thomas Lietzau | 2015-04-14 |
| 8632495 | Control valve for a medical suction device, and medical suction device | Stefan Schlenker, Thomas Lietzau | 2014-01-21 |