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Electronic filter assembly
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Patent number 6,674,343
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Issue date Jan 6, 2004
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Tresness Irrevocable Patent Trust
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Jerry M. Gould
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Electronic filter assembly
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Patent number 6,323,743
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Issue date Nov 27, 2001
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Tresness Irrevocable Patent Trust
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Martin L. Zelenz
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H03 - BASIC ELECTRONIC CIRCUITRY
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Saw television scrambling system
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Patent number 6,081,599
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Issue date Jun 27, 2000
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Tresness Irrevocable Patent Trust
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Victor M. Zinevitch
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Return path attenuation filter
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Patent number 5,999,796
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Issue date Dec 7, 1999
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Tresness Irrevocable Patent Trust
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Andrew F. Tresness
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Return path filter
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Patent number 5,745,838
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Issue date Apr 28, 1998
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Tresness Irrevocable Patent Trust
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Andrew F. Tresness
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H04 - ELECTRIC COMMUNICATION TECHNIQUE