Computer operating programs; intercommunication apparatus, namely, televisions and computers; interfaces for computers; computer peripheral devices; electro-dynamic apparatus for the remote control of signals for televisions and computers; electrical inductors; loudspeakers; megaphones; microphones
Computer operating programs; intercommunication apparatus, namely, televisions and computers; interfaces for computers; computer peripheral devices; electro-dynamic apparatus for the remote control of signals for televisions and computers; electrical inductors; loudspeakers; megaphones; microphones