Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351486 | Process and a grinding stone for preparing mechanical wood pulp | Theodor Bahr, Ernst Bottger, Hans-Otto Henrich, Helmut Thumm, Heinz Beck | 1982-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351486 | Process and a grinding stone for preparing mechanical wood pulp | Theodor Bahr, Ernst Bottger, Hans-Otto Henrich, Helmut Thumm, Heinz Beck | 1982-09-28 |