About 2 Trademarks found that are owned by Monopoli Donald

Electronic audio mixers and audio signal processing apparatus for sound systems specifically an interactive system where participants try to continuously speak and sing while listening to their own voice after an approximate 1/2 second delay time, the effects of which confuse, distort and prevent the participant(s) from continuing to speak and/or sing articulately

Electronic audio mixers and audio signal processing apparatus for sound systems specifically an interactive system where participants try to continuously speak and sing while listening to their own voice after an approximate 1/2 second delay time, the effects of which confuse, distort and prevent the participant(s) from continuing to speak and/or sing articulately