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Optical switch using bubbles
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Patent number 4,988,157
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Issue date Jan 29, 1991
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Bell Communications Research, Inc.
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Janet L. Jackel
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G02 - OPTICS
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Multiple optical switch
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Patent number 4,239,330
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Issue date Dec 16, 1980
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Bell Telephone Laboratories, Incorporated
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Arthur Ashkin
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G02 - OPTICS
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Optical switch
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Patent number 4,208,094
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Issue date Jun 17, 1980
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Bell Telephone Laboratories, Incorporated
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Walter J. Tomlinson
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G02 - OPTICS
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Wavelength division multiplexer
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Patent number 4,111,524
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Issue date Sep 5, 1978
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Bell Telephone Laboratories, Incorporated
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Walter John Tomlinson
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G02 - OPTICS
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