Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457954 | Frictional vacuum pump with chassis, rotor, housing and device fitted with such a frictional vacuum pump | Ralf Adamietz, Gunter Schutz | 2002-10-01 |
| 6435811 | Friction vacuum pump with a stator and a rotor | Ralf Adamietz, Markus Henry, Gunter Schutz, Heinrich Engländer, Gerhard Walter +1 more | 2002-08-20 |