Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641376 | Friction vacuum pump | — | 2003-11-04 |
| 6619911 | Friction vacuum pump with a stator and a rotor | Alexander Bosma, Hans-Rudolf Fischer | 2003-09-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641376 | Friction vacuum pump | — | 2003-11-04 |
| 6619911 | Friction vacuum pump with a stator and a rotor | Alexander Bosma, Hans-Rudolf Fischer | 2003-09-16 |