Jean C. Hache

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Lille, 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
Cupola-type ophthalmological apparatus the visual field and the ele...
- Patent number 4,626,090
- Issue date Dec 2, 1986
- Institut National de la Sante et de la Recherche Medicale (Inserm)
- Jacques Charlier
- 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