Upright piano and action unit incorporated therein

Upright piano for constant key-touch regardless of manipulation

Upright piano with key action mechanism responsive to repetition

User-adjustable ergonomic stringed musical instrument

Vacuum formed guitar backs

Variable chord-forming capo

Variable chord-forming capotasto

Variable configuration guitar bridge

Variable pitch harp

Variably adjustable tremolo anchor

Versatile neck truss system for stringed musical instruments

Vibarato trainer

Vibration damper for string musical instrument

Vibrato apparatus

Vibrato assembly

Vibrato assembly and acoustic coupling system for stringed instr

Vibrato assembly and acoustic coupling system for stringed instr

Vibrato assembly for stringed instruments

Vibrato attachment for stringed instruments

Vibrato device for electric guitar