About 1 Trademarks found that are owned by Db Noise Reduction

machine parts, namely, acoustic silencers for fans, acoustic silencers for ventilation systems, acoustic silencers for blowers, acoustic silencers for electric motors, acoustic silencers for air discharge stacks, acoustic silencers for internal combustion engines, acoustic silencers for gas discharge units, acoustic silencers for turbines, and acoustic silencers for cooling towers