Inventor
GRAS GILBERT
5 patents
Patents
5 patentsUS4159640AJul 3, 1979
Apparatus for measuring the consistency or hardness of a material
OREAL91 citations94
US4297884ANov 3, 1981
Method of and apparatus for the measurement of at least one mechanical property of an elastic material
OREAL59 citations92
US4483619ANov 20, 1984
Apparatus to register the quantity of sebum secreted by a skin
OREAL21 citations81
US4177798ADec 11, 1979
Apparatus for measuring the mechanical characteristics of a material such as living skin
OREAL27 citations81
US4480921ANov 6, 1984
Apparatus to register the quantity of sebum secreted by a skin
OREAL15 citations72