Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12290584 | Hair dyeing method using natural dyes and metal salt | Hartmut Manneck, Thomas Hippe, Volkmar Vill | 2025-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12290584 | Hair dyeing method using natural dyes and metal salt | Hartmut Manneck, Thomas Hippe, Volkmar Vill | 2025-05-06 |