85030986
May 5, 2010
Oct 29, 2013
Instructional materials, namely, pre-recorded audio cassettes, compact discs, digital video discs, CD-ROM's and printed instructional materials sold as a unit therewith containing foreign language instruction featuring specialized learning methods, namely, pedagogically targeted musical elements and psychological suggestion approaches and other trade-secret techniques to enhance initial learning speed and receptivity and to promote long term memory retention
Electrical and Scientific Apparatus