About 3 Trademarks found that are owned by Ez Chord Llc

Guitar playing assistance device, namely, a sliding clamp-like apparatus positioned onto the guitar neck to assist in playing major, minor, flat, and sharp guitar chords

Guitar playing assistance devices, namely, a sliding clamp-like structure positioned onto the guitar neck to form and sound guitar chords and notes

The mark consists of "E" and "Z" that outline the body of an electric guitar, the center branch of the letter "E" represents a bridge having four strings extending therefrom, capital letters "CHORD" fill a neck of the guitar, and a headstock is comprised after the letter "D".