发明名称 Word isolating educational tool
摘要 An educational device and method in which a user can learn the pronunciation of words using a word isolator with a window and a slide. The word isolator is placed over the unfamiliar word. The slide is manipulated to expose only a portion of the word at a time, thereby helping the user break down and identify the unfamiliar word.
申请公布号 US7056122(B2) 申请公布日期 2006.06.06
申请号 US20030716339 申请日期 2003.11.18
申请人 LOCKETT DWIGHT J 发明人 LOCKETT DWIGHT J.
分类号 G09B17/02;G09B1/00;G09B25/04 主分类号 G09B17/02
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