Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202742 | Product for lightening hair, containing special oxo-carboxylic acids | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2021-12-21 |
| 11140967 | Method and data processing device for ascertaining properties of hair colors in a computer-assisted manner | Georg Knuebel | 2021-10-12 |
| 11035732 | Color chart device with hair clip and method for identifying colors | — | 2021-06-15 |
| 10955344 | Method and device for determining a degree of damage to hair | Georg Knuebel, Antje Gebert-Schwarzwaelder, Astrid Kroos, Melanie Moch, Wilfried Howorka | 2021-03-23 |