发明名称 Bingo card holder
摘要 A container for holding a plurality of bingo cards during play has rigid front and rear flaps for supporting the cards. A plurality of transverse grooves prevent slippage of cards during play. One of the support members is adjustable along the length of the container for accomodating various numbers of cards.
申请公布号 US4241921(A) 申请公布日期 1980.12.30
申请号 US19790023706 申请日期 1979.03.26
申请人 MILLER, DAVID R 发明人 MILLER, DAVID R
分类号 A63F3/06;(IPC1-7):A63F3/06;B42F17/14 主分类号 A63F3/06
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