Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811220 | Device for processing filter tow material, and device for the production of filters | Stephan Wolff, Sonke Horn, Volker Fricke, Ralf Meyer, Manfred Dallmann +1 more | 2010-10-12 |
| 7175580 | Wear indicator for a roller | Stephan Wolff, Stephan Peters, Harald Dittombee, Jürgen Pehmöller, Thomas Meins +4 more | 2007-02-13 |