Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405091 | Apparatus for the production of mechanical wood pulp | Theodor Bahr, Helmut Thumm | 1983-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405091 | Apparatus for the production of mechanical wood pulp | Theodor Bahr, Helmut Thumm | 1983-09-20 |