Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667259 | Optical colored glass, its use, and an optical long-pass cutoff filter | Rolf Clasen, Monika Gierke, Jochen Freund, Uwe Kolberg | 2003-12-23 |
| 6630420 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Norbert Greulich-Hickmann, Uwe Kolberg, Werner Kiefer | 2003-10-07 |