Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312055 | Method for the operation of a stirring ball mill and a stirring ball mill for the practice of the method | Ulrich Barthelmess | 1994-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312055 | Method for the operation of a stirring ball mill and a stirring ball mill for the practice of the method | Ulrich Barthelmess | 1994-05-17 |