BASS CONTROL OF ELECTRONIC MUSICAL INSTRUMENTS
United States Patent 3432607
Inventors:
Bergman, Sune Hearley
Publication Date:
03/11/1969
Other Classes:
84/DIG.002, 984/347, 84/716, 84/DIG.022, 84/721
International Classes:
G10H1/36; G10H3/06; G10H1/02