Inventor
STEPHENS TRACY
GB4 patents
Patents
4 patentsUS6817222B2Nov 16, 2004
Method, apparatus and system for assessing hair condition
PROCTER & GAMBLE22 citations90
US8632611B2Jan 21, 2014
Hair colouring methods and compositions thereof
PROCTER & GAMBLE15 citations78
USD461132SAug 6, 2002
Hair color analyzer probe
PROCTER & GAMBLE9 citations71
US7431742B2Oct 7, 2008
Hair coloring kits and methods of use thereof
PROCTER & GAMBLE0 citations30