Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974012 | Sliding collar produced by powder metallurgy | Gunter Rau, Thomas Kalchschmid | 2005-12-13 |
| 6848558 | Sintered selector or sliding sleeve | Gunter Rau, Heinrich Wiedemann | 2005-02-01 |