MULTI./.VIDER
ELECTRONIC TONE MODIFIERS, WITH AMPLIFIER, FOR USE IN CONNECTION WITH WIND INSTRUMENTS-NAMELY, FLUTES, PICCOLOS, CLARINETS, SAXOPHONES, TRUMPETS, CORNETS, FRENCH HORNS, FLUGELHORNS, OBOES, BASSOONS, AND THE LIKE
Expired · August 31, 1967 · 72279456 ·