Loudspeaker arrangement
United States Patent 2179840

Inventors:
Gustav, Bucky
Publication Date:
11/14/1939
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Assignee:
Frida, Bucky
Peter, Bucky A.
Thomas, Lee Bucky
Primary Class:
381/334
Other Classes:
381/100, 381/109, 181/145, 181/30, 381/387
International Classes:
H04R1/32