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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
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US621901418 Ago 199817 Abr 2001Texas Digital Systems, Inc.Variable color display device having display area and background area
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US641466212 Oct 19992 Jul 2002Texas Digital Systems, Inc.Variable color complementary display device using anti-parallel light emitting diodes
US642432711 Ago 199923 Jul 2002Texas Digital Systems, Inc.Multicolor display element with enable input
US653518616 Mar 199818 Mar 2003Texas Digital Systems, Inc.Multicolor display element
US657728720 Feb 200110 Jun 2003Texas Digital Systems, Inc.Dual variable color display device
US669034320 Mar 200110 Feb 2004Texas Digital Systems, Inc.Display device with variable color background for evaluating displayed value
US673483716 Jun 199911 May 2004Texas Digital Systems, Inc.Variable color display system for comparing exhibited value with limit
USRE3055626 Ene 197924 Mar 1981Stanley Electric Co., Ltd.Indicating element and method of manufacturing same

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