Invention Grant
US08459566B2 Hidden tag for providing information about associated goods and services 失效
提供有关商品和服务信息的隐藏标签

Hidden tag for providing information about associated goods and services
Abstract:
The present invention relates to a method and system for creating and utilizing hidden tags on goods, associated labels and/or associated promotional materials related to such goods or to certain services that are only visible through the use of a viewing device.
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