Gagny, FR
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Patent Grant
Essilor International "Cie Generale d'Optique"
Bruno Bettiol
G02 - OPTICS
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Patent Grant
Essilor International (Cie Generale d'Optique)
Claude Bourset
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Essilor International (Cie Generale d'Optique)
William Lenne
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Essilor International (Compagnie Generale d'Optique S.A.)
Georges Wajs
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Essilor International "Cie Generale D'Optique"
William Lenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Essilor International (Compagnie Generale d'Optique S.A.)
Georges Wajs
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
