Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629734 | Benzopyrans | — | 1986-12-16 |
| 4616021 | Chroman derivatives | John M. Evans | 1986-10-07 |
| 4496565 | Chromans and chromenes, compositions and hypertensive method | John M. Evans | 1985-01-29 |