Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891730 | Method to prepare dye-based reference material | Jay Li, David P. Swist, Liann Voo | 1999-04-06 |
| 5637505 | Method to prepare dye-based reference material | Jay Li, David P. Swist, Liann Voo | 1997-06-10 |