Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700483 | Retinoic acid-containing compositions | John W. Quigley, Jr. | 1997-12-23 |
| 5650171 | Retinoic acid-containing polyether-polyurethane compositions | John W. Quigley, Jr. | 1997-07-22 |