75351808
Sep 4, 1997
Jun 20, 2000
pre-recorded phonorecords, audiocassettes, compact discs, digital audio tapes, video discs, video cassettes, videotapes, and digital video tapes featuring words and music for educational purposes, namely, for teaching preschool, elementary school, secondary school, college level graduate, post-graduate and continuing education level subjects, and for self-education by members of the public
Electrical and Scientific Apparatus