Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874792 | Thiophenyl Alkanoic acids useful as leukotriene antagonists | John G. Gleason, Ralph F. Hall, Carl D. Perchonock | 1989-10-17 |
| 4820719 | Leukotriene antagonists | John G. Gleason, Ralph F. Hall, Carl D. Perchonock | 1989-04-11 |