发明名称 Method for playing a multipurpose math function learning game
摘要 A multipurpose math function learning game comprised of a plurality of games utilizing math functions such as addition, subtraction, and multiplication to achieve a desired objective of winning one of the plurality of games.
申请公布号 US5707239(A) 申请公布日期 1998.01.13
申请号 US19950572038 申请日期 1995.12.14
申请人 BUTLER, SALLY L. 发明人 BUTLER, SALLY L.
分类号 A63F3/04;G09B19/02;(IPC1-7):G09B19/02 主分类号 A63F3/04
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