Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294873 | Manufacture of paper having a high dry strength and a low wet strength | Juergen Hartmann, Walter Denzinger, Sigberg Pfohl | 1981-10-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294873 | Manufacture of paper having a high dry strength and a low wet strength | Juergen Hartmann, Walter Denzinger, Sigberg Pfohl | 1981-10-13 |