Apparatus and method for tuning and intonating the strings of a

Apparatus and method for tuning guitars

Apparatus and method for tuning violins

Apparatus and method of optimizing the tonal balance of instrume

Apparatus and method of tuning guitars and the like

Apparatus and methods for increasing the tonal complexity...

Apparatus for adjusting height of piano pedal

Apparatus for adjusting sound volume of grand piano

Apparatus for changing the tension in a string of a musical inst

Apparatus for coupling strings to the body of a stringed...

Apparatus for extending a lower range of a stringed musical inst

Apparatus for fine tuning strings of a stringed musical instrume

Apparatus for opening and closing the cover for a keyboard of a

Apparatus for opening and closing top board of grand piano

Apparatus for restraining and fine tuning the strings of a music

Apparatus for restraining and fine tuning the strings of a music

Apparatus for supporting a musical instrument

Apparatus to vary the pitch of a designated string of a musical

Apparatus, with oil damper, for opening and closing fall board o

Arm operated tone variation device