发明名称 Book holder device
摘要 A portable book stand fabricated from a planar panel of substantially rigid material is disclosed. The book stand includes a book support surface, a shelf extending outwardly from that support surface and a plurality of tab-like support members which function as supports for the shelf and the support surface. Each of the supports are in turn supported by auxiliary tab-like supports which retain them in position.
申请公布号 US5029798(A) 申请公布日期 1991.07.09
申请号 US19900494772 申请日期 1990.03.16
申请人 CLARK, THOMAS A. 发明人 CLARK, THOMAS A.
分类号 A47B23/04 主分类号 A47B23/04
代理机构 代理人
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