Title:
Radio centercasting system
United States Patent 2427670
Inventors:
Goldsmith, Alfred N.
Publication Date:
09/23/1947
Assignee:
Goldsmith, Alfred N.
Other Classes:
346/37, 327/98, 315/9, 358/408, 315/8.610, 455/2.010
International Classes:
H04H9/00