Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857071 | Novel hair dye and method of use | — | 1989-08-15 |
| 4822659 | Fire block sheet and wrapper | Kenneth Hoffman, Jeffrey E. Julis, Malinda S. Mercado | 1989-04-18 |
| 4799934 | Sulfur-containing nitroaminobenzene dyes, process and hair dye compositions | Mu-Ill Lim | 1989-01-24 |