Title:
Radio frequency antenna
United States Patent 2654842
Inventors:
Engelmann, Herbert F.
Publication Date:
10/06/1953
Export Citation:
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Assignee:
FED TELECOMM LAB INC
Primary Class:
343/770
Other Classes:
333/237, 343/860
International Classes:
H01Q13/26; H01Q13/20
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US Patent References:
2575571Wave-signal directional coupler
2297202Transmission and/or the reception of electromagnetic waves
2226470Oil treating apparatus