发明名称 Business card filing attachment
摘要 A business card filing attachment comprises an elongated strip of flat clear plastic material and has a pair of contiguous opposed flanges along one longitudinal edge between which a business card is inserted. Along the other longitudinal edge are formed a pair of openings spaced and shaped for attaching to a card index file.
申请公布号 US4963049(A) 申请公布日期 1990.10.16
申请号 US19890324712 申请日期 1989.03.17
申请人 PEARSON, HERBERT C. 发明人 PEARSON, HERBERT C.
分类号 B42F17/22;B42F17/28;B42F19/04 主分类号 B42F17/22
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