Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329839 | Active substance composition for protecting artificially coloured hair | Rene Krohn | 2025-06-17 |
| 12243643 | Determining external hair damage | Hans Georg Knuebel | 2025-03-04 |