Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840639 | Agent for dyeing hair | Herbert Mager, Eugen Konrad | 1989-06-20 |
| 4452603 | Process for dyeing hair and composition therefor | Eugen Konrad, Herbert Mager | 1984-06-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840639 | Agent for dyeing hair | Herbert Mager, Eugen Konrad | 1989-06-20 |
| 4452603 | Process for dyeing hair and composition therefor | Eugen Konrad, Herbert Mager | 1984-06-05 |