Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632650 | Vacuum pump having an evacuated gear chamber | Peter Frieden, Hans-Peter Kabelitz, Karl-Heinz Ronthaler | 1986-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632650 | Vacuum pump having an evacuated gear chamber | Peter Frieden, Hans-Peter Kabelitz, Karl-Heinz Ronthaler | 1986-12-30 |