Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029647 | Method for the production of paper, paperboard and cardboard | Rainer Blum, Peter Leifert | 2011-10-04 |
| 7918965 | Method for the production of paper, cardboard and card | Oliver Koch, Simon Champ, Rainer Blum, Andreas Merkel, Knut Menke | 2011-04-05 |