Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874792 | Thiophenyl Alkanoic acids useful as leukotriene antagonists | Ralph F. Hall, Thomas Wen-Fu Ku, Carl D. Perchonock | 1989-10-17 |
| 4871771 | Leukotriene antagonists | Sylvia T. Hoffstein, Charles M. Kinzig, Seymour Mong, Henry M. Sarau | 1989-10-03 |
| 4820719 | Leukotriene antagonists | Ralph F. Hall, Thomas Wen-Fu Ku, Carl D. Perchonock | 1989-04-11 |