Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7338664 | Color changing matrix as wear indicator | Mingchih M. Tseng | 2008-03-04 |
| 5998431 | Sustained-release matrices for dental application | Mingchih M. Tseng | 1999-12-07 |
| 5851551 | Sustained-release matrices for dental application | Mingchih M. Tseng | 1998-12-22 |
| 5723132 | Sustained-release matrices for dental application | Mingchih M. Tseng | 1998-03-03 |
| 5340581 | Sustained-release matrices for dental application | Mingchih M. Tseng | 1994-08-23 |