发明名称 Educational writing board kit
摘要 An early-life educational device comprised of a waxed-surface writing pad with hook and loop fastening means on a translucent sheet for pull-away erasing of practice writing and drawing with templates. The templates are stored in a foldable storage container which is held in an up-right position. Its objectives are effective, low-cost, clean, convenient and interesting educational use for young children.
申请公布号 US4960382(A) 申请公布日期 1990.10.02
申请号 US19890299672 申请日期 1989.01.23
申请人 ALFORD, ARCHIE W. 发明人 ALFORD, ARCHIE W.
分类号 G09B11/04 主分类号 G09B11/04
代理机构 代理人
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