Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889871 | Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives | Robert L. Shone, Stella S. Yu | 1989-12-26 |
| 4855324 | Furyl, phenylene, and thienyl leukotriene B.sub.4 analogues | Richard A. Haack, Stella S. Yu | 1989-08-08 |