Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11576947 | Oral composition and method | Yun Xu, Lei Zhang, Yang Song | 2023-02-14 |
| 9132111 | Topical antimicrobial compositions | Hoshun Luk, Lei Zhang | 2015-09-15 |
| 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 |
| 6211264 | Dental composition system and method | Paul D. Hammesfahr | 2001-04-03 |
| 6191190 | Method and composition for adhering to tooth structure | Gordon Blackwell, Chin-Teh Huang, Mingxin Fan, Paul D. Hammesfahr | 2001-02-20 |
| 5981620 | Dental compounds, compositions, products and methods | Paul D. Hammesfahr, Paul A. Silver | 1999-11-09 |
| 5973022 | Dental composition system and method | Paul D. Hammesfahr | 1999-10-26 |
| 5955514 | Dental composition and method | Chin-Teh Huang, Mingxin Fan, Paul D. Hammesfahr | 1999-09-21 |
| 5710194 | Dental compounds, compositions, products and methods | Paul D. Hammesfahr, Paul A. Silver | 1998-01-20 |
| 5338773 | Dental composition and method | Chin-Teh Huang, Paul D. Hammesfahr | 1994-08-16 |