Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9315598 | Low stress flowable dental compositions | Paul D. Hammesfahr | 2016-04-19 |
| 9169332 | Photopolymerizable and photocleavable resins and low shrink and low stress composite compositions | Paul D. Hammesfahr | 2015-10-27 |
| 9155685 | Low stress flowable dental composition | Louis Bertrand, Qizhou Dai, Michael O'Connor, Paul D. Hammesfahr, Bernard Koltisko | 2015-10-13 |
| 8865790 | Dental materials using 2,2,4,4-tetramethyl-1,3-cyclobutanediol | Bernard Koltisko | 2014-10-21 |
| 8779024 | Acid-neutralizing resins and hardenable dental compositions thereof | Huaibing Liu | 2014-07-15 |
| 8747831 | Method and antibacterial/antimicrobial compositions in dental compositions | — | 2014-06-10 |
| 8748628 | Process and composition of making polymerizable resins containing oxazolidone | — | 2014-06-10 |
| 8461227 | Radical polymerizable macrocyclic resin compositions with low polymerization stress | Paul D. Hammesfahr | 2013-06-11 |
| 8443681 | Method and apparatus for visualizing contraction stress from curable materials | Louis Bertrand, Qizhou Dai, Bill Martin, Nils Classen, Nikki Sparacino | 2013-05-21 |
| 8129446 | Radical polymerizable macrocyclic resin compositions with low polymerization stress | Paul D. Hammesfahr | 2012-03-06 |
| 6783810 | Reducing polymerization stress by controlled segmental curing | Paul D. Hammesfahr | 2004-08-31 |