Title:
Electrical display for stringed musical instruments
United States Patent 1669117
Inventors:
Beers, Randal H.
Publication Date:
05/08/1928
View Patent Images:
Export Citation:
Assignee:
Beers, Randal H.
Primary Class:
Other Classes:
84/411R, 84/464A, 84/269, 362/253, 315/76
International Classes:
G10D1/10; G10D3/00; G10D1/00