Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630420 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Uwe Kolberg, Werner Kiefer, Simone Monika Ritter | 2003-10-07 |
| 6627569 | Glass with high proportion of zirconium-oxide and its uses | Karin Naumann, Uwe Kolberg, Werner Kiefer | 2003-09-30 |