Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826992 | 2,3-(Dihydro) bicyclic pyrazolidinones | Louis Nickolaus Jungheim | 1989-05-02 |
| 4820723 | Disubstituted tetrazole leukotriene antagonists and methods for their use thereas | Winston S. Marshall, Celia A. Whitesitt | 1989-04-11 |