发明名称 EDUCATIONAL OUTDOOR DISPLAY AND SYSTEM
摘要 The present invention relates to a system device and method for teaching an individual, such as a child, a series of educational items such as numbers or the alphabet. Each item is placed on a card and then each card placed in an upright card holder which has a wind tolerant base. There is one holder for each of the items in the educational series and a plurality of card holders in a wind tolerant stand are positioned around the yard for observation and thus, learning by the child.
申请公布号 US2011039238(A1) 申请公布日期 2011.02.17
申请号 US20090542221 申请日期 2009.08.17
申请人 LEAHY MARK A 发明人 LEAHY MARK A.
分类号 G09B19/22 主分类号 G09B19/22
代理机构 代理人
主权项
地址