85030845
May 5, 2010
Oct 15, 2013
Instructional materials, namely, pre-recorded audio cassettes, compact discs, digital video discs (DVDs), CD-ROMs, and other digital audio and digital video formats, namely, MP3s, and printed instructional materials sold as a unit therewith, all containing foreign language instructions 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