Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611935 | Method and device for treating sludge | Helmut Brauweiler, Ivan Rupert, J org Bublies, Burkhard M oller | 1997-03-18 |
| 4656743 | Arrangement for determining the position of a hollow section system which is pressed forward | Bernd Schwarz, Dieter Langhans | 1987-04-14 |