Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605235 | Cholesteric layered material having an improved color impression, and the production thereof | Frank Meyer, Frank Prechtl, Norbert Schneider, Volker Koch, Robert Parker +2 more | 2003-08-12 |
| 6582781 | Multilayer cholesteric pigments | Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Gunter Bettinger +3 more | 2003-06-24 |