72279456
Aug 31, 1967
Nov 26, 1968
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
Insurance and Financial