Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8814071 | Agitator ball mill | Erich Jeker, Frank Ronald Lang | 2014-08-26 |
| 8118247 | Agitator ball mill | Frank Ronald Lang, Erich Jeker | 2012-02-21 |
| 5597126 | Stirred ball mill | Harald Frommherz, Albert Leuthold | 1997-01-28 |