发明名称 Publication reference-aid system apparatus therefor
摘要 A reference-aid article which can be used as an index marker, game marker, or coupon marker is disclosed. The reference-aid is formed from a multi-faced substrate which is adapted to accept information on at least one of the faces. The substrate also has at least one marker member (18) and at least one removably protective substrate means (21) releasably attached to the substrate.
申请公布号 US5249827(A) 申请公布日期 1993.10.05
申请号 US19920874555 申请日期 1992.04.13
申请人 OLSON, CRAIG W. 发明人 OLSON, CRAIG W.
分类号 B42D1/00;B42D9/00;B42F21/00;B42F21/04;B42F21/06;(IPC1-7):B42D15/00 主分类号 B42D1/00
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