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Optical transmission system
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Patent number 5,671,075
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Issue date Sep 23, 1997
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Synchronous Communications, Inc.
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Mani Ramachandran
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G02 - OPTICS
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Optical transmission system
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Patent number 5,548,436
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Issue date Aug 20, 1996
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Synchronous Communications, Inc.
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Mani Ramachandran
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G02 - OPTICS
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Optical transmission system
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Patent number 5,359,450
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Issue date Oct 25, 1994
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Synchronous Communications, Inc.
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Mani Ramachandran
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G02 - OPTICS
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