Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619911 | Friction vacuum pump with a stator and a rotor | Heinrich Engländer, Hans-Rudolf Fischer | 2003-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619911 | Friction vacuum pump with a stator and a rotor | Heinrich Engländer, Hans-Rudolf Fischer | 2003-09-16 |