Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835271 | Adhesive systems | Hendrik Grupp, Rainer Guggenberger | 2004-12-28 |
| 6767935 | Adhesive systems | Rainer Guggenberger, Hendrik Grupp | 2004-07-27 |
| 6765036 | Ternary photoinitiator system for cationically polymerizable resins | Karsten Dede, Thomas Klettke, Joel D. Oxman | 2004-07-20 |
| 6752989 | Tooth surface treatment agent | Ingo Häberlein, Reinhold Hecht, Oliver Frey | 2004-06-22 |