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Subscriber station network
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Patent number 4,400,589
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Issue date Aug 23, 1983
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United Networks, Inc.
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Jan Synek
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Subscriber station networks
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Patent number 4,314,107
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Issue date Feb 2, 1982
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United Networks, Inc.
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Alfred M. Hestad
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Subscriber station network
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Patent number 4,303,805
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Issue date Dec 1, 1981
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United Networks, Inc.
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Jan Synek
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H04 - ELECTRIC COMMUNICATION TECHNIQUE