Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874777 | Leukotriene antagonists | Robert D. Dillard, Doris E. McCullough | 1989-10-17 |
| 4853398 | Leukotriene antagonists and use thereas | Robert D. Dillard, Doris E. McCullough | 1989-08-01 |
| 4820722 | Disubstituted tetrazoles and their use as leukotriene antagonists | Robert D. Dillard, Winston S. Marshall, Doris E. McCullough | 1989-04-11 |