发明名称 Loose leaf binder
摘要 A loose leaf binder for holding papers and supplies comprising a top cover having an exterior surface and an interior surface; a bottom cover having an exterior surface and an interior surface; a spine having an exterior surface and an interior surface; a hinge mechanism connecting the spine to the top cover and the spine to the bottom cover; a retaining mechanism coupled to the interior surface of the spine for holding papers; and a storage compartment coupled to the exterior surface of the spine for holding writing supplies therein.
申请公布号 US5368333(A) 申请公布日期 1994.11.29
申请号 US19940194304 申请日期 1994.01.31
申请人 ARROYO, RALPH 发明人 ARROYO, RALPH
分类号 B42D3/12;(IPC1-7):B42D3/00 主分类号 B42D3/12
代理机构 代理人
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