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Gary S. Duck
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Ottawa, CA
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Patents Grants
last 30 patents
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Patent Grant
Low loss directional coupling for optical fibres
Patent number
4,165,150
Issue date
Aug 21, 1979
Northern Telecom Limited
Gary S. Duck
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
High power optical fiber coupling
Publication number
20030103724
Publication date
Jun 5, 2003
Gary S. Duck
G02 - OPTICS