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John Roberts
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Combe Down, GB
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last 30 patents
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Patent Grant
Hollow-core optical fiber and method of making same
Patent number
7,366,388
Issue date
Apr 29, 2008
Crystal Fibre A/S
John Roberts
C03 - GLASS MINERAL OR SLAG WOOL
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last 30 patents
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Patent Application
Hollow-core optical fiber and method of making same
Publication number
20050185908
Publication date
Aug 25, 2005
Crystal Fibre A/S
John Roberts
G02 - OPTICS