发明名称 Folder
摘要 A folder and a drawing implement, the implement including interlocking portion and the folder including holes for receiving the interlocking portion such that after receiving the interlocking portion front and back covers of the folder are locked together by the interlocking portion so as to close the folder, and the drawing implement is thereby attached to the folder.
申请公布号 US5011188(A) 申请公布日期 1991.04.30
申请号 US19900528041 申请日期 1990.05.23
申请人 ZOLAND, MARTIN;ROSSATO, MARK 发明人 ZOLAND, MARTIN;ROSSATO, MARK
分类号 B42F7/00;B42D3/12;B42D5/00;B43K29/00 主分类号 B42F7/00
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