Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922867 | Method for producing paper, paperboard and cardboard having high dry strength | Norbert Schall, Ellen Krueger | 2011-04-12 |
MR
Martin Ruebenacker
Overall (2011): #222,004 of 364,097Top 65%
1
Patents 2011