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Patents Grantslast 30 patents

Information Patent Grant
Fabricating strip waveguides by consolidating a rare-earth-doped la...
- Patent number 5,411,565
- Issue date May 2, 1995
- SIP - Societa Italiana per L-Esbercizio Delle Telecommunicazioni P.A.
- Livio Cognolato
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of fabricating strip monomode active optical waveguides by v...
- Patent number 5,279,634
- Issue date Jan 18, 1994
- SIP - Societa Italiana per L'Escercizio delle Telecomunicazioni p.a.
- Livio Cognolato
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for manufacture of a silica optical fiber
- Patent number 5,131,936
- Issue date Jul 21, 1992
- Societa Italiana per l'Esercizio Delle Telecommicazioni P.A.
- Livio Cognolato
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of fabricating optical fibres by solution-doping
- Patent number 5,047,076
- Issue date Sep 10, 1991
- SIP-Societa' Italiana per l'Esercizio delle Telecomunicazioni P.A.
- Livio Cognolato
- C03 - GLASS MINERAL OR SLAG WOOL