Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6297181 | Barium-free, X-ray-opaque dental glass and dental glass/polymer composite, and the use thereof | Christian Kunert, Susanne Kessler, Hartmut Paschke, Ute Wölfel | 2001-10-02 |
| 5750448 | Copper(II) oxide-containing aluminophosphate glasses | Danuta Grabowski, Uwe Kolberg, Magdalena Winkler-Trudewig | 1998-05-12 |