A cosmetic container includes one member on which a listing of the ingredients of the material contained is printed in letters which are too small to be read without magnification. An overlying member of the container includes a Fresnel lens structure, which, when the container is in a closed condition,...http://www.google.fr/patents/US4044889?utm_source=gb-gplus-shareBrevet US4044889 - Cosmetic container including integrated lens structure
Cosmetic container including integrated lens structure
