Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9283152 | Dental composition containing glass beads, process for production and use thereof | Joachim W. Zech | 2016-03-15 |
| 8980973 | Siloxane compounds containing composition, method of production and use thereof | Peter U. Osswald, Hyung-Min Shim, Joachim W. Zech, Bernd Kuppermann | 2015-03-17 |
| 7186758 | Silicone-based dental impression compounds | Joachim W. Zech, Erich Wanek, Ingo Wagner | 2007-03-06 |
| 6457973 | Dental impression tray | Ingo Wagner, Joachim W. Zech | 2002-10-01 |
| 6302690 | Dental impression tray | Gerd Brandhorst, Ingo Wagner, Joachim W. Zech | 2001-10-16 |