发明名称 Novel Binders and Folders
摘要 The present invention is directed toward folder embodiments with base plates and ring assemblies capable of being removably attached to the spine portion of the folder. The present invention is also directed toward folder embodiments with a magnetized surface and various recreational and educational representations on that magnetized surface.
申请公布号 US2008069629(A1) 申请公布日期 2008.03.20
申请号 US20060469373 申请日期 2006.08.31
申请人 BEUSELINCK STEVEN KENNETH;TURRI MICHAEL JAMES;FRIEDLAND ROBERT 发明人 BEUSELINCK STEVEN KENNETH;TURRI MICHAEL JAMES;FRIEDLAND ROBERT
分类号 B42F13/00 主分类号 B42F13/00
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