Method for Determining a Greyness Level of a Strand of Hair
Copyright © Targeted News Service 2024
2024-10-22
ALEXANDRIA, Virginia, Oct. 22 -- HENKEL AG & CO. KGAA, Duesseldorf, New York has been assigned a patent (No. US 12121133 B2, initially filed Dec. 17, 2019) developed by three inventors Hans Georg Knuebel, Duesseldorf, Germany; Lucile Bonnin, Duesseldorf, Germany; and Astrid Kroos, Monheim, Germany, for "Method for determining a greyness level of a strand of hair." . . .