Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594424 | Light mixing rod comprising an inlet area and an outlet area and use of such a light mixing rod in an optical device comprising a surface to be illuminated | Christfried Symanowski | 2003-07-15 |
| 6578999 | Device for generating a quadrangular illuminating field and use of such device in an optical device comprising a surface to be illuminated having a predetermined shape | Christfried Symanowski, Gudrun Schroeter | 2003-06-17 |
| 6580469 | Projection device | Gerd Rieche, Juergen Pudenz, Hans-Juergen Meissner, Hans-Joachim Stoehr, Eberhard Piehler +1 more | 2003-06-17 |