发明名称 Method and apparatus for conducting a sweepstakes
摘要 A personal identification card for use in a sweepstakes network is capable of being purchased for goods and services unrelated to a sweepstakes. The personal identification card includes a personal identification number associated with the personal identification card and readable and writeable digital storage means for storing digital data related to the sweepstakes and the goods and services unrelated to the sweepstakes.
申请公布号 US2007155468(A1) 申请公布日期 2007.07.05
申请号 US20060437219 申请日期 2006.05.19
申请人 OLMSTEAD MARK;WEAVER JOHNNEY R 发明人 OLMSTEAD MARK;WEAVER JOHNNEY R.
分类号 A63F9/24;G06F17/00;G06Q30/00 主分类号 A63F9/24
代理机构 代理人
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