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United States Patent
3,220,004
Issue Date:
November 23, 1965
Current U.S. Class:
342/10
; 244/158.3; 244/1R; 156/165
Current CPC Class:
H01Q 15/163 (20130101); H01Q 1/081 (20130101); B64G 1/22 (20130101)
Current International Class:
B64G 1/22 (20060101); H01Q 15/16 (20060101); H01Q 15/14 (20060101); H01Q 1/08 (20060101)
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