Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891730 | Method to prepare dye-based reference material | Jay Li, Justin E. Davey, David P. Swist | 1999-04-06 |
| 5637505 | Method to prepare dye-based reference material | Jay Li, Justin E. Davey, David P. Swist | 1997-06-10 |
| 5464850 | Synergistic preservative systems for chemistry reagents | Dennis C. Tagliaferro, Joan B. Wilson | 1995-11-07 |