Title:
Directive antenna structure
Document Type and Number:
United States Patent 2531454
Inventors:
Marshall, Robert J.
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Publication Date:
11/28/1950
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Assignee:
SPERRY CORP
Primary Class:
Other Classes:
343/838, 343/762, 343/781R
International Classes:
H01Q3/18; H01Q19/19; H01Q3/00; H01Q19/10
US Patent References:
Foreign References:
| GB694523A | ||||
| GB370135A |