Daryl Szebesta

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Suffolk, GB

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Patents Grantslast 30 patents

Information Patent Grant
Etching a halide glass tube, removing the etchant, and forming an o...
- Patent number 6,223,562
- Issue date May 1, 2001
- British Telecommunications public limited company
- Daryl Szebesta
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Surface treatment of halide glass articles
- Patent number 5,618,326
- Issue date Apr 8, 1997
- British Telecommunications public limited company
- Daryl Szebesta
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical amplifier and laser
- Patent number 5,617,244
- Issue date Apr 1, 1997
- British Telecommunications public limited company
- Robert M. Percival
- H01 - BASIC ELECTRIC ELEMENTS