Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500879 | Dental composition and method | Chin-Teh Huang, Mingxin Fan, Paul D. Hammesfahr | 2002-12-31 |
| 6391940 | Method and composition for adhering to metal dental structure | Gordon Blackwell, Chin-Teh Huang, Mingxin Fan, Paul D. Hammesfahr, Xiuling Wang +1 more | 2002-05-21 |
| 6387980 | Dental composition system and method | Paul D. Hammesfahr | 2002-05-14 |