Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974613 | Packaging for plastics additives | Uwe Wiegand | 2005-12-13 |
| 5071260 | Profiled bottom bag with carrying handle and a process for manufacturing profiled bottom bags | Josef Poppe, Ewald Jostmeier | 1991-12-10 |