Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868147 | Alumina of high macroporosity and stability | William A. Belding | 1989-09-19 |
| 4816452 | Aminothiazole substituted penicillins and antibacterial compositions thereof | Richard L. Elliott | 1989-03-28 |