Gilbert Gras — 5 Patents at L'Oreal

Gilbert Gras has been granted 5 US patents while listed as an inventor at L'Oreal. The first was granted in 1981 and the most recent in October 1986. Gilbert Gras ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Gilbert Gras in Aulnay-sous-Bois, FR.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4616933	Process and apparatus for making a numerical determination of the color, or of a change in color, of an object	Jean-Luc Leveque	1986-10-14
4483619	Apparatus to register the quantity of sebum secreted by a skin	Jean-Luc Leveque	1984-11-20
4480921	Apparatus to register the quantity of sebum secreted by a skin	Jean-Luc Leveque	1984-11-06
4392498	Apparatus intended for classifying the quantity of a fatty product found on the skin surface	Jean-Luc Leveque	1983-07-12
4297884	Method of and apparatus for the measurement of at least one mechanical property of an elastic material	Jean-Luc Leveque, Laurent Rasseneur, Jean De Rigal	1981-11-03

Gilbert Gras — 5 Patents

Issued Patents All Time

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