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TRANSMITTING ANTENNA FOR AUDIO INDUCTION COMMUNICATION SYSTEM
US 3,549,818 A
Filed
: 04/08/1968
Issued
: 12/22/1970
Est. Priority Date
: 08/15/1967
Status: Expired due to Term
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Current Assignee
Acoustiguide Corp.
(Espro Acoustiguide Group)
Original Assignee
Justin L. Turner
Inventors
Turner, Justin L.
Application Number
US04/719,605
Time in Patent Office
988 Days
Field of Search
US Class Current
343/787
CPC Class Codes
H01Q 7/08
Ferrite rod or like elongat...
H04B 5/00
Near-field transmission sys...
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