Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397882 | Process for the production of hard paper | Arnold Franz, Ernst Schneider | 1983-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397882 | Process for the production of hard paper | Arnold Franz, Ernst Schneider | 1983-08-09 |