Issued Patents 2003
Showing 1–4 of 4 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, Simone Monika Ritter | 2003-12-23 |
| 6630420 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Norbert Greulich-Hickmann, Werner Kiefer, Simone Monika Ritter | 2003-10-07 |
| 6627569 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Norbert Greulich-Hickmann, Werner Kiefer | 2003-09-30 |
| 6588234 | Device and method of plaining glasses or glass-ceramics | Werner Kiefer, Hildegard Römer, Stefan Schmitt, Wolfgang Schmidbauer | 2003-07-08 |