77331782
Nov 16, 2007
Mar 15, 2011
wireless audience participation system devices, namely, handheld data entry devices with transceivers for use by audience members in transmitting and receiving information in an audience environment; computer software for use in the collecting, analyzing and displaying information and data; computer software for providing instruction in fields of math, science, social studies, reading and writing
Electrical and Scientific Apparatusprovision of access to data and information stored electronically in central files for remote consultation
Telecommunications