Invention Grant
US07706784B2 Method and system for providing a product or service using a mobile communication device 失效
使用移动通信设备提供产品或服务的方法和系统

Method and system for providing a product or service using a mobile communication device
Abstract:
A method and system for secure payment by using a mobile communication device, which may operate using substantially existing communication protocols, and securely identify the mobile device.
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