Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695947 | Amperometric cholesterol biosensor | Dingli Guo, Paul Shieh, Shu-Hui Chen | 1997-12-09 |
| 5401377 | Ion-selective sensor with polymeric membrane having phospholipid dispersed therein | Paul Shieh, Dingli Guo | 1995-03-28 |
| 4889712 | Anticalculus oral composition | Abdul Gaffar, John J. Afflito, Arline M. Nykvist | 1989-12-26 |
| 4826675 | Anticalculus oral composition | Abdul Gaffar, John Afflitto | 1989-05-02 |