79073254
Jul 23, 2009
Sep 7, 2010
Electro-acoustic transducers, namely, loudspeakers, amplifiers, sound controllers for volume and channel selection, loudspeaker cabinets, microphones, and accessories for these devices, namely, power sources in the nature of electrical power supplies, microphone consoles, plastic covers and adjustable rings for loudspeakers and regulators and cover plates and cables, all for controlling and distributing sound
Electrical and Scientific Apparatus