Interference No. 104,403
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 9).
31. Bruce P. Rosenthal testifies (Rosenthal Record page 8) that he
signed a confidentiality agreement which has been submitted as
Exhibit 2102 (Rosenthal Record page 10).
32. In the period from July 12, 1993 to November 1993, the evidence
shows no activity either perfecting the invention of the count or
preparing a patent application.
33. Rosenthal testifies that he began preparing his patent application
in November 1993 (Rosenthal Record page 37).
34. Rosenthal testifies that from November 1993 until filing the
application for the ‘226 patent, he developed various optical
systems including a lens sheet with cylindrical Fresnel lenses and
multiple line grids with front and rear grids aligned to create both
an opaque image view and vision beyond the grid (Rosenthal
Record page 38).
35. The ‘226 patent specification (Exhibit 1001) includes an
embodiment in which a Fresnel lens is included (Figs. 13 and 14;
col. 14, lines 22-30 and 61-65).
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