Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728448 | 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 | Dietrich Schmidt, Christfried Symanowski | 2004-04-27 |