Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123267 | Dental retraction composition with guanidinyl-containing polymer | Henning Hoffmann, Peter Bissinger, Joachim W. Zech, George W. Griesgraber | 2021-09-21 |
| 11002713 | Sample organizer, tray, system and method | David A. Simpson, Joshua A. Burnett, Marc E. Lemelin, Paul Keenan | 2021-05-11 |
| 10952933 | Kit of parts containing a cationically hardenable composition and use as dental retraction material | Joachim W. Zech, Hendrik Grupp, Christoph Schulte, Andreas Maurer | 2021-03-23 |