86556960
Mar 8, 2015
Mar 13, 2018
Active Trademark
an audio system, namely, a radio transmitter and a number of wireless headphone receivers, where the transmitter receives an audio signal from an audio source and transmits the audio signal over-the-air to the number of wireless headphone receivers, and a carrying case especially adapted for housing the transmitter and wireless headphone receivers and serving as an electrical charging station for the transmitter and wireless headphone receivers; radio transmitters; wireless headphone receivers; carrying cases especially adapted for housing a radio transmitter and a number of wireless headphone receivers and serving as an electrical charging station for the transmitter and wireless headphone receivers; and assistive listening systems not for medical purposes
Electrical and Scientific Apparatus