Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067496 | Curable silicone impression materials with high tear strength and low consistency | Joachim W. Zech, Henning Hoffmann, Peter Bissinger, Wolf Steiger | 2011-11-29 |
| 7968645 | Curable silicone impression materials with high tear strength and low consistency | Joachim W. Zech, Henning Hoffmann, Peter Bissinger, Wolf Steiger | 2011-06-28 |