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Directional antenna array
US 2,875,438 A
Filed
: 04/10/1953
Issued
: 02/24/1959
Est. Priority Date
: 04/10/1953
Status: Expired due to Term
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Current Assignee
Hings, Donald L.
Original Assignee
Hings, Donald L.
Inventors
Hings, Donald L.
Application Number
US03/347,872
Time in Patent Office
2,146 Days
Field of Search
US Class Current
343/733
CPC Class Codes
H01Q 19/30
the primary active element ...
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