GK

Gijsbert Kroon

HE Hercules: 2 patents #1 of 7Top 15%
📍 Giessenburg, NL: #1 of 1 inventorsTop 100%
Overall (2021): #160,338 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11154475 Method for coloring or bleaching hair fibers Emmanuel Paul Jos Marie Everaert, Thi Diem Truc Tran 2021-10-26
10945934 Method of strengthening hair fibers and protecting dyed hair color from fading or wash-out Emmanuel Paul Jos Marie Everaert, Xiaochun Zhang 2021-03-16