Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9849072 | Method of coloring hair with direct dye compounds | Guiru Zhang, Bryan Patrick Murphy | 2017-12-26 |
| 9844501 | Compositions for dyeing hair with cationic direct dyes | Guiru Zhang, Bryan Patrick Murphy | 2017-12-19 |
| 9839593 | Method of coloring hair with direct dye compounds | Guiru Zhang, Bryan Patrick Murphy | 2017-12-12 |