Title:
Sound reproducing system
United States Patent 2143175
Inventors:
Waite, Samuel A.
Publication Date:
01/10/1939
View Patent Images:
Export Citation:
Assignee:
Waite, Samuel A.
Primary Class:
Other Classes:
181/30, 381/342, 381/117, 381/186
International Classes:
H04R1/26; H04R1/22