U.S. federal trademark · Serial No. 75711486
Pre-recorded guitar instruction programs on a mini-disc or other form of digital recording format which have empty tracks for user input, sold individually and as a unit with guitar instruction booklets or sheet music; and pre-recorded musical arrangements on a mini-disc or other form of digital recording format that have empty tracks for user input, and booklets or sheet music of those musical arrangements sold as a unit therewith
Self-recording guitars
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.