Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431698 | Process for oxidative dyeing and re-dyeing of human hair | Jurgen Tennigkeit, Heribert Lorenz | 1995-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431698 | Process for oxidative dyeing and re-dyeing of human hair | Jurgen Tennigkeit, Heribert Lorenz | 1995-07-11 |