Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832981 | Tube arrangement and a method for its manufacture | Friedrich Witthaus | 2004-12-21 |
| 6716154 | Centrifuge with a fluid line guide element having a curved bearing surface | Friedrich Witthaus | 2004-04-06 |