U.S. federal trademark · Serial No. 85233227 · Reg. No. 4055409
sound recordings featuring music and educational material in the field of mathematics, namely, downloadable sound recordings, audio compact discs, and prerecorded music players, namely, MP3 players, digital audio players, and CD players
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.