U.S. federal trademark · Serial No. 77717271
"component woofers, midranges, tweeters and electrical transducers for use in the manufacture of commercial public address systems and for electronically amplified musical instruments; public address system components, namely, electrical transducers, woofers, midranges and tweeters"
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.