76378881
Mar 6, 2002
Aug 5, 2003
audio-visual teaching system comprising the following - video discs featuring still images, computer graphics, computer animation and film sequences in the areas of math and science; computer programs featuring still images, computer graphics, computer animation and film sequences in the areas of math and science; electronic media, namely CD-ROMs (compact disk read-only memories) featuring still images, computer graphics, computer animation and film sequences in the areas of math and science; computer interface units and accompanying teachers' manuals and student books sold together as a unit
Electrical and Scientific Apparatus