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Guided vehicle system
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Patent number 5,035,169
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Issue date Jul 30, 1991
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AT&T Bell Laboratories
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John T. Chapin
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Optical fiber cable
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Patent number RE33459
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Issue date Nov 27, 1990
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AT&T Bell Laboratories
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William D. Bohannon
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350 -
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Optical fiber cable
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Patent number 4,844,575
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Issue date Jul 4, 1989
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American Telephone and Telegraph Company, AT&T Bell Laboratories
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Michael D. Kinard
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G02 - OPTICS
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Optical fiber cable
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Patent number 4,765,712
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Issue date Aug 23, 1988
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American Telephone and Telegraph Company, AT&T Bell Laboratories
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William D. Bohannon
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G02 - OPTICS