Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10925369 | Permanent waving method with improved nourishing and wave effect | Birgit Rautenberg-Groth | 2021-02-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10925369 | Permanent waving method with improved nourishing and wave effect | Birgit Rautenberg-Groth | 2021-02-23 |