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发明名称
Stadium Portable Billboard Advertising
摘要
The present invention is directed at an advertising method whereby a portable billboard is carried by a vendor in a stadium who is selling products to the stadium audience.
申请公布号
US2010094691(A1)
申请公布日期
2010.04.15
申请号
US20080250440
申请日期
2008.10.13
申请人
BARFIELD CARY D
发明人
BARFIELD CARY D.
分类号
G06Q30/00
主分类号
G06Q30/00
代理机构
代理人
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