Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370848 | Process and device for packaging material web rolls | Dirk Cramer, Volker Scholzke | 2002-04-16 |
| 6105897 | Reel winding roll and process | Dirk Cramer, Franz Kayser | 2000-08-22 |