Electronic musical instrument
United States Patent 2533461
US Patent References:
Sound-reproducing instrument
- - 1785915

Musical instrument
- - 1817704


Inventors:
Illsley, Graydon F.
Publication Date:
12/12/1950
View Patent Images:
Download PDF 2533461 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Illsley, Graydon F.
Primary Class:
84/641
Other Classes:
84/DIG.029, 984/360, 360/137
International Classes:
G10H3/09; G10H3/00