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Home › Electronic-ink based RFID tag for attachment to a consumer item and displaying graphical indicia indicating whether or not said consumer items has been read and its integrated RFID module has been activated or deactivated

Electronic-ink based RFID tag for attachment to a consumer item and displaying graphical indicia indicating whether or not said consumer items has been read and its integrated RFID module has been activated or deactivated

US Patent 7791489 · Granted Sep 7, 2010

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