Prefabricated metal barrier walls for use in constructing noise reducing enclosures made of metal

sound absorbing underlayment for flooring

Computer hardware and software systems for suppressing extraneous background noises in a video conference

sound absorbing underlayment for flooring

noise reducing enclosures for industrial equipment

circuit to prevent noise contamination in a CD player or digital-to-analog converter in a digital audio system

Microwave and millimeter wave components, namely, oscillators

Hearing aids

Computers; data processing devices, namely data processors, wireless connectivity data processors, wireless e-mail receiving devices and electronic personal organizers; computer peripherals; microprocessors; integrated circuits; computer memories; drives for computers, namely disk drives, hard drives, and CD drives; power supplies; computer hardware fans; coolers, namely CPU coolers and hard drive coolers; computer keyboards; computer mice; computer monitors; scanners; laptop computers; noteb...

Spray on surface coating for use in damping vibrations of panel structures