Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691232 | Method and device for treating a paper or cardboard web | Ruediger Kurtz | 2010-04-06 |
| 7422659 | Method and apparatus for treating a web of paper or board | Ulrich Rothfuss | 2008-09-09 |
| 7179347 | Method for fiber stock preparation | Oliver Heise, Klaus Doelle, Ronald Sigl, Werner Witek | 2007-02-20 |