Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859686 | Dihydropyridine anti-allergic and anti-inflammatory agents | John Steele, Kenneth Richardson | 1989-08-22 |
| 4853392 | Fused 1,4-dihydropyridines as antiallergy and antiinflammatory agents | Peter E. Cross, Michael J. Fray, Kenneth Richardson | 1989-08-01 |
| 4851412 | Dihydropyridine antiallergic and antiinflammatory agents | Michael J. Fray, Kenneth Richardson | 1989-07-25 |
| 4801598 | Dihydropyridine anti-allergic and anti-inflammatory agents | Michael J. Fray, Kenneth Richardson | 1989-01-31 |