Patent Number: 6,512,168

Title: Fretless grooved fingerboard

Abstract: A fingerboard for stringed musical instrument having a series ofpredetermined grooves located at every position in which a series ofconsecutive frets would have otherwise occurred, in accordance with apredetermined tonal scale, providing the facilities of a frettedfingerboard and maintaining the characteristics of a fretless fingerboard.

Inventors: Cortes; Marco Antonio Ferreira (Dallas, OR)


International Classification: G10D 3/06 (20060101); G10D 3/00 (20060101); G10D 003/00 ()

Expiration Date: 01/22015