发明名称 RANDOM INDICIA SELECTOR
摘要 <p>A housing (22) contains a plurality of tetrahedron-shaped dice. The faces of the dice bear one or more indicia. The housing (22) includes a tumbling compartment (32) in which all of the dice are shaken and a smaller plurality of pyramidal shaped cavities (34, 40) in which certain of the dice are then disposed for viewing. At least a portion of one face of each die is visible through the wall of the housing (22) in one embodiment, while at least a portion of two faces of each die is visible in another embodiment.</p>
申请公布号 WO1990005568(A1) 申请公布日期 1990.05.31
申请号 US1989003663 申请日期 1989.08.24
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