Issued Patents 2002
Showing 1–2 of 2 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 |