Invention Grant
US07649689B2 Apparatus and method for viewing multiple underlying indicia 有权
用于查看多个底层标记的装置和方法

Apparatus and method for viewing multiple underlying indicia
Abstract:
A promotional or novelty piece wherein a printed planar surface is provided with a translucent lenticular surface, placed in registration with a second planar surface with predetermined indicia applied so as to underlie and register with said translucent surface. The angle of the viewer's eye with said translucent surface allows said underlying indicia and secondary interlaced indicia having been applied to the underside of said lenticular lens, to be selectively and individually observed.
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