Josiane Ramos

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Bondoufle, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an optical fiber preform having doped cladding
- Patent number 5,090,979
- Issue date Feb 25, 1992
- Compagnie Generale d'Electricite
- Christian Le Sergent
- G02 - OPTICS
Information Patent Grant
Method of assembling a fiber optic preform from discrete preformed...
- Patent number 4,978,377
- Issue date Dec 18, 1990
- Alcatel N.V.
- Claude Brehm
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of making an internally-doped tube of transparent glass, in...
- Patent number 4,952,225
- Issue date Aug 28, 1990
- Societe Anonyme dite: Compagnie Generale d'Electricite
- Christian Le Sergent
- C03 - GLASS MINERAL OR SLAG WOOL