U.S. federal trademark · Serial No. 75638591 · Reg. No. 2441471
CLASSROOM AMPLIFICATION SYSTEM COMPRISING ONE OR MORE SOUND SPEAKERS, STEREO AMPLIFIER, MICROPHONE, MICROPHONE CABLE, SPEAKER CABLE, BATTERY AND BATTERY CHARGER
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.