Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162824 | Tricylic amino-acid derivatives | Vassil I. Ognyanov, Allen Hopper, Stanley C. Bell, Michael De Vivo | 2000-12-19 |
| 6103743 | Unsaturated amino acid derivatives | Stanley C. Bell, Kathleen Da Silva, Allen Hopper, Methvin Isaac, Vassil Ilya Ognyanov +1 more | 2000-08-15 |