Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500879 | Dental composition and method | Kewang Lu, Mingxin Fan, Paul D. Hammesfahr | 2002-12-31 |
| 6391940 | Method and composition for adhering to metal dental structure | Gordon Blackwell, Kewang Lu, Mingxin Fan, Paul D. Hammesfahr, Xiuling Wang +1 more | 2002-05-21 |
| 6191190 | Method and composition for adhering to tooth structure | Gordon Blackwell, Kewang Lu, Mingxin Fan, Paul D. Hammesfahr | 2001-02-20 |
| 5955514 | Dental composition and method | Kewang Lu, Mingxin Fan, Paul D. Hammesfahr | 1999-09-21 |
| 5756559 | Method and composition for adhering to tooth structure | Gordon Blackwell | 1998-05-26 |
| 5645429 | Method for adhering to tooth structure | Gordon Blackwell, Steven R. Jefferies | 1997-07-08 |
| 5367002 | Dental composition and method | Paul D. Hammesfahr, Steven R. Jefferies | 1994-11-22 |
| 5338773 | Dental composition and method | Kewang Lu, Paul D. Hammesfahr | 1994-08-16 |
| 4966934 | Biological compatible adhesive containing a phosphorous adhesion promoter and accelerator | Gordon Blackwell | 1990-10-30 |
| 4875858 | Method and composition for detecting dentin | Steven R. Jefferies | 1989-10-24 |
| 4816495 | Biologically compatible adhesive visible light curable compositions | Gordon Blackwell | 1989-03-28 |
| 4814423 | Dual bonding adhesive composition | Steven R. Jefferies | 1989-03-21 |
| 4657941 | Biologically compatible adhesive containing a phosphorus adhesion promoter and a sulfinic accelerator | Gordon Blackwell | 1987-04-14 |