U.S. federal trademark · Serial No. 77464512 · Reg. No. 3662595
Guitar playing assistance devices, namely, tremolo bars and like attachments mounted to the guitar, namely, a leaf shaped tremolo lever attached to the bridge and/or the tailpiece of an electric guitar or arch top guitar to enable the player to quickly vary the tension and sometimes the length of the strings temporarily, changing the pitch to create a vibrato, portamento or pitch bend effect
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.