77791833
Jul 29, 2009
Nov 23, 2010
electronic learning aid, namely, electronic card reader and coded card sets comprising prerecorded audio content featuring language instruction, digital storage media for use in speech and sound recording for use in language instruction and all sold as a unit; electronic learning aid, namely, electronic card reader; coded card sets comprising prerecorded audio content featuring language instruction; blank digital storage media for use in speech and sound recording for language instruction and prerecorded digital storage media featuring speech and sound recording for language instruction
Electrical and Scientific Apparatus