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Optical fibre monitoring system
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Patent number 6,681,079
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Issue date Jan 20, 2004
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Nortel Networks Limited
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Andrew V Maroney
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical fibre amplifiers
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Patent number 6,650,400
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Issue date Nov 18, 2003
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Nortel Networks Limited
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Andrew V Maroney
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H01 - BASIC ELECTRIC ELEMENTS
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Fiber fuse protection
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Patent number 6,628,871
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Issue date Sep 30, 2003
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Nortel Networks Limited
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Andrew V Maroney
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Raman amplification
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Patent number 6,624,928
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Issue date Sep 23, 2003
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Nortel Networks Limited
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Jowan Masum-Thomas
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H01 - BASIC ELECTRIC ELEMENTS
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Fiber fuse protection
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Patent number 6,526,192
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Issue date Feb 25, 2003
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Nortel Networks Limited
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Andrew V Maroney
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H04 - ELECTRIC COMMUNICATION TECHNIQUE