U.S. federal trademark · Serial No. 77218951 · Reg. No. 3487258
Combination receiver and amplifier comprised of built-in infrared sensors and speaker for use in classrooms; classroom audio amplification systems comprised of a receiver and amplifier with built-in infrared sensors and speaker, and one or more infrared microphone transmitters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.