Interference No. 104,403
17. Rosenthal does not give specific dates for the activity described in the preceding
paragraph nor has he submitted any documentary evidence regarding this
activity.
18. Rosenthal’s ‘226 patent (Exhibit 1001) includes an embodiment in which each
ridge has a parallel convex lens and angled planar portions (Fig. 6; col. 10, lines
28-36).
19. Mike Karr testifies that on January 20, 1993, Rosenthal showed him:
. . . a lens sheet in which I, the viewer could see the sheet
appear as an opaque image material at one angle of view
and then from another angle of view, see the sheet as
transparent, thereby providing a clear view through the sheet
to objects behind it. This lens sheet had a plurality of
parallel lenticulated conic lenses on the viewing side and on
the opposite side had a plurality of spaced-apart, raised
parallel portions with a composite image positioned
thereupon with indented transparent concave lenses in
between which permitted the passage of light. Thereby an
object beneath the sheet at a preselected distance was
viewable through the transparent concave lens portions.
(Rosenthal Record page 22).
20. Karr testifies (Rosenthal Record page 22) that he signed a confidentiality
agreement (Rosenthal Record page 23).
21. Karr further testified that Rosenthal showed him unique packaging, with his lens
sheet used as a window which provided a view of an opaque image at one angle,
and at another angle provided a clear view, through to the actual contents of the
package (Rosenthal Record page 22).
22. Rosenthal describes the preparation of a prototype prepared at some point in
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