Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466955 | Skin bleaching stick containing hydroquinone | Luis C. Calvo, Irene C. Obernier | 1984-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466955 | Skin bleaching stick containing hydroquinone | Luis C. Calvo, Irene C. Obernier | 1984-08-21 |