发明名称 Baseball bat styled graphic material display device
摘要 A graphic material display device having a baseball bat-like shape. A centrally located shoulder and a second shoulder located adjacent one of the ends are connected by a web portion and support a transparent, hollow, cylindrical tube. Graphic material placed adjacent the web portion and within in the tube may be viewed through the tube. A sleeve selectively locks the tube in position or permits the tube to be removed to change the graphic material.
申请公布号 US6009653(A) 申请公布日期 2000.01.04
申请号 US19990334234 申请日期 1999.06.16
申请人 HARRINGTON, KIRK D. 发明人 HARRINGTON, KIRK D.
分类号 G09F23/00;(IPC1-7):G09F3/18 主分类号 G09F23/00
代理机构 代理人
主权项
地址