Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852096 | Filler based on silicon dioxide, method for its preparation, and its use | Albert Erdrich | 1998-12-22 |
| 5750590 | Polymerizable material | Roland Schaefer, Dieter Schodel, Oskar Nuyken, Ralf Bohner, Christoph Erdmann | 1998-05-12 |
| 5228907 | Polymerizable dental material | Regina Eppinger, Bernhard Eppinger, Peter J. Kohler, Joachim Fritze | 1993-07-20 |