Pierre Guerder

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Pithiviers, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming coated monocrystalline products
- Patent number 5,180,463
- Issue date Jan 19, 1993
- Quartz et Silice
- Jacques Le Moigne
- C30 - CRYSTAL GROWTH
Information Patent Grant
Optical wave guide with fluorine-doped core
- Patent number 4,441,788
- Issue date Apr 10, 1984
- Quartz et Silice
- Pierre Guerder
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Preparation of semifinished product for manufacture of optical fibers
- Patent number 4,367,013
- Issue date Jan 4, 1983
- Quartz & Silice
- Pierre Guerder
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Continuous production of synthetic silica doped with fluorine
- Patent number 4,221,825
- Issue date Sep 9, 1980
- Saint-Gobain Industries
- Pierre Guerder
- C03 - GLASS MINERAL OR SLAG WOOL