87154127
Aug 29, 2016
Mar 28, 2017
Active Trademark
Digital audio paging and control systems comprised of announcement controllers for public address systems, message communication servers and communication stations; peripheral interface devices, computer software and firmware for controlling and operating digital audio paging and control systems; microphones, microphone and studio boom stands, audio amplifiers, audio speakers, video information displays, sound-masking speakers and generators, and equipment racks sold as a unit of digital audio paging and control systems
Electrical and Scientific Apparatus