Patent ID: 7427704

Claim:
An apparatus for a stringed instrument comprising: a replacement fret board for non-intrusive placement over an existing fret board comprising: a fret plate having a top end and a bottom end and including an integral overlapping replacement nut, the integral overlapping replacement nut capable of at least partially surrounding an existing nut, the fret plate having a varying thickness along the longitudinal length of a main axis connecting the top end and the bottom end, the thickness decreasing lengthwise from a first thickness at the first end of the fret plate to a second thickness at the second end of the fret plate; and a support board including fret relief notches coupled to the fret plate, the fret relief notches configured and arranged to fit over existing frets of the instrument; and an attachment member coupled to the replacement fret board for securing the fret board device to the stringed instrument.