| 摘要 |
<p>A writing instrument such as a ball point pen that includes an elongated tubular housing and a ball point pen tip connected to the housing for writing purposes and a lenticular image display surface that includes a pair of different composite images suitable for advertisement or indicia information in the same area on the outside surface of the writing instrument body, said lenticular display including a plurality of grooves making the pen easier to grasp and hold during writing.</p> |
