Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879296 | Xanthine derivatives | Susan Mary Daluge | 1989-11-07 |
| 4871865 | Tricyclic aromatic compounds | O. William Lever, Jr. | 1989-10-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879296 | Xanthine derivatives | Susan Mary Daluge | 1989-11-07 |
| 4871865 | Tricyclic aromatic compounds | O. William Lever, Jr. | 1989-10-03 |