78504488
Oct 22, 2004
Apr 25, 2006
Active Trademark
wireless audience participation systems, namely, handheld keypads with transceivers for use by audience members in entering, transmitting and receiving information in an audience environment and associated host transceivers connectable to computers for receiving wireless transmissions; computer software for displaying, analyzing and organizing information transmitted via the audience participation systems and for providing instruction in fields of math, science, social studies, reading and writing, and for creating and viewing slide shows, graphics, text, and sounds
Electrical and Scientific Apparatus