Mireille Servant

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Villeneuve d'Ascq, FR

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and device for automatic refractometric measurement of th...
- Patent number 4,673,265
- Issue date Jun 16, 1987
- Essilor International (Compagnie Generale d'Optique)
- Jean C. Hache
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Refractometry process and device for measuring the degree of ametro...
- Patent number 4,619,505
- Issue date Oct 28, 1986
- Essilor International (Compagnie Generale d'Optique)
- Jean C. Hache
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE