Title:
Electrical signaling method
Document Type and Number:
United States Patent 2411206
Inventors:
Gustav, Guanella
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Publication Date:
11/19/1946
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Referenced by:
Export Citation:
Assignee:
RADIO PATENTS CORP
Primary Class:
Other Classes:
380/38
International Classes:
D01G15/34; D01G15/76; H04K1/04; D01G15/00