Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499505 | Hydraulic valve arrangement | Siegfried Zenker, Carl Christian Dixen, Carsten Christensen | 2002-12-31 |
| 6427721 | Hydraulic valve arrangement with locking function | Siegfried Zenker, Carsten Christensen | 2002-08-06 |