Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364913 | Agent and process for dyeing and tinting keratinous fibres | Detlef Hollenberg | 2002-04-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364913 | Agent and process for dyeing and tinting keratinous fibres | Detlef Hollenberg | 2002-04-02 |