Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855144 | Synthetic melanin aggregates | Helen Leong, Ann Delk, Sergio Nacht, David L. Berliner | 1989-08-08 |
| 4806360 | Synthetic melanin aggregates | Helen Leong, Anne Delk, David L. Berliner, Sergio Nacht | 1989-02-21 |
| D299819 | Guard for preventing automobile dents | Timothy L. Corsini | 1989-02-14 |