Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083421 | Film coating composition for whitening teeth | Lizi Huang | 2000-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083421 | Film coating composition for whitening teeth | Lizi Huang | 2000-07-04 |