Title:
Selective radio communication system for a plurality of stations
Document Type and Number:
United States Patent 2469555

Inventors:
Hitchcock, Forest B.
Publication Date:
05/10/1949
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Assignee:
GEN RAILWAY SIGNAL CO
Primary Class:
342/367
International Classes:
H04B7/26; H04Q7/36
US Patent References:
2393291Communication system
2398741Signaling system
2429607Radio traffic signaling system


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