Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7504443 | Dental adhesive composition | Weiping Zeng | 2009-03-17 |
| 6051626 | Adhesive composition for dental or surgical treatment | Weiping Zeng, Tsuyoshi Banba | 2000-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7504443 | Dental adhesive composition | Weiping Zeng | 2009-03-17 |
| 6051626 | Adhesive composition for dental or surgical treatment | Weiping Zeng, Tsuyoshi Banba | 2000-04-18 |