发明名称 Toy blocks for multiple puzzles and games of varying skill levels
摘要 Eight detached playing blocks have different indicia sequences. Each indicia sequence is different from one another. The indices in each sequence have a numerical character and a directional character to them. Varying numbers of playing blocks can be used to provide various puzzles and games with different levels of required skill.
申请公布号 US4852878(A) 申请公布日期 1989.08.01
申请号 US19870130409 申请日期 1987.12.09
申请人 MERRILL, JEFFREY C. 发明人 MERRILL, JEFFREY C.
分类号 A63F9/12 主分类号 A63F9/12
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