Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495214 | Method of producing a film or a layer with a surface structure on both sides | Reinhold Nentwich | 2002-12-17 |
| 5520352 | Separating and applying apparatus for material webs on winding machines | Manfred Irsigler | 1996-05-28 |