发明名称 Stackable easel
摘要 A self-standing placard adapted to bear a message on its front side. The placard comprises a curvable member fastened at one end to the back side of the placard at an acute angle, and a stiff, spacing member connected with reinforcement to the other end of the curvable member.
申请公布号 US5056250(A) 申请公布日期 1991.10.15
申请号 US19900472704 申请日期 1990.01.31
申请人 WEISSLEDER, RICHARD P.;CHIPKIN, LAWRENCE I.;LAMENDOLA, FRANK A. 发明人 WEISSLEDER, RICHARD P.;CHIPKIN, LAWRENCE I.;LAMENDOLA, FRANK A.
分类号 G09F1/06;G09F1/10 主分类号 G09F1/06
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