Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658494 | Fluorescent compounds | Colin David Bell, John Hewer Coles Howse, David James | 1997-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658494 | Fluorescent compounds | Colin David Bell, John Hewer Coles Howse, David James | 1997-08-19 |