- 专利标题: Twin-nibbed ball-point pen
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申请号: US505946申请日: 1990-04-05
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公开(公告)号: USD328917S公开(公告)日: 1992-08-25
- 设计人: Tsutomu Shike , Isao Inoue
- 申请人: Tsutomu Shike , Isao Inoue
- 申请人地址: JPX Yokohama
- 专利权人: Tokai Corporation
- 当前专利权人: Tokai Corporation
- 当前专利权人地址: JPX Yokohama
- 优先权: JPX2-4509 19900216
公开/授权文献
- US5586507A Rail guide wheel apparatus with double overcenter linkage 公开/授权日:1996-12-24
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