Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767633 | Transparent medium having angle-selective transmission or reflection properties and/or absorption properties | Elke Steudel, Hans-Dieter Bruckner, Gerhard Pfaff, Peter Reynders, Carsten Brabänder +1 more | 2004-07-27 |
| 6758211 | Transparent thermal insulation device | — | 2004-07-06 |
| 6692561 | Intensely colored interference pigments | Sabine Schoen, Klaus Bernhardt | 2004-02-17 |
| 6689205 | Multilayer interference pigments | Hans-Dieter Bruckner, Andrea Heyland, Christina Schank, Claudia Seibel | 2004-02-10 |