发明名称 Felt pen having two end caps
摘要 A felt pen comprises a bar shaped main body defined with linear line and taper line, and transparent caps for writing tips at the both ends of the main body. Each of the caps stands with the main body thereon and may be mounted on the other cap.
申请公布号 US4509875(A) 申请公布日期 1985.04.09
申请号 US19820451541 申请日期 1982.12.21
申请人 COLLEEN PENCIL CO., LTD. 发明人 SHINTANI, KOICHI
分类号 B43K8/02;B43K23/12;B43K27/08;(IPC1-7):B43K9/00;B43K27/00 主分类号 B43K8/02
代理机构 代理人
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