Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863961 | Tetraenyl prostaglandins | Paul W. Collins | 1989-09-05 |
| 4847293 | Tetraenyl prostaglandins | Paul W. Collins | 1989-07-11 |
| 4820728 | Tetraenyl prostaglandins | Paul W. Collins | 1989-04-11 |