发明名称 IMPROVEMENT ON OFFSET PEN STRUCTURE.
摘要 <p>An offset pen has a holding portion (51) and a writing portion (53) interconnected by an intermediate portion (52) such that the holding portion and writing portion have different axes with a vacancy therebetween. The vacancy provides a line of sight on either side of the writing tip (532) during use of the pen.</p>
申请公布号 MXPA01013305(A) 申请公布日期 2002.07.02
申请号 MX2001PA13305 申请日期 1999.06.01
申请人 LIU, BOA-SHEN 发明人 LIU, BAO-SHEN
分类号 B43K7/00;B43K21/00;B43K23/004;B43K23/008;B43K27/04;B43K29/10 主分类号 B43K7/00
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