Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562968 | Method of purifying tetrodotoxin | Frank Hay Kong Shum | 2003-05-13 |
| 6552191 | Method of extracting tetrodotoxin | Frank Hay Kong Shum | 2003-04-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562968 | Method of purifying tetrodotoxin | Frank Hay Kong Shum | 2003-05-13 |
| 6552191 | Method of extracting tetrodotoxin | Frank Hay Kong Shum | 2003-04-22 |