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Marc Ast
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Fontenay-Aux-Roses, FR
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last 30 patents
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Patent Grant
Electrochromic system and its supply process
Patent number
5,694,144
Issue date
Dec 2, 1997
Saint-Gobain Vitrage
Christine Lefrou
G02 - OPTICS
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Patent Grant
Electrochromic system with measurement of charge to be transferred
Patent number
5,365,365
Issue date
Nov 15, 1994
Saint-Gobain Vitrage International
Xavier Ripoche
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS