Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584758 | Device for processing tobacco during the production of cigarettes | Heinz Focke, Ralf Barkmann, Alfred Drenguis, Frauke Illigner, Reinhard Hoppe +3 more | 2009-09-08 |
| 7555876 | Device for covering packaging groups | Alfred Drenguis, Andreas Storcks | 2009-07-07 |