Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668678 | Triazoloquinoxalin-1,4-diones | Richard E. Brown, Vassil St. Georgiev, Bernard Loev | 1987-05-26 |
| 4507300 | Pyridotriazolopyrazine-diones for treating allergy | Richard E. Brown, Vassil St. Georgiev, Bernard Loev | 1985-03-26 |
| 4400382 | Thiazoloquinoxalin-1,4-diones for treating allergy | Richard E. Brown, Vassil St. Georgiev, Bernard Loev | 1983-08-23 |