Title:
Chord player
United States Patent 2669151


Inventors:
Mario, Maccaferri
Application Number:
US22023751A
Publication Date:
02/16/1954
Filing Date:
04/10/1951
Assignee:
Mario, Maccaferri
Primary Class:
Other Classes:
984/116
International Classes:
G10D3/08
View Patent Images: