Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898595 | Coloring keratinous material | Rosemary Taylor | 1990-02-06 |
| 4601902 | Compositions and process for treating hair | Rosemary Taylor, Michael Hill | 1986-07-22 |
| 4337166 | Compositions for treating hair and other fibrous materials | Michael Hill | 1982-06-29 |