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INTERROGATOR-RESPONDER IDENTIFICATION SYSTEM
US 3,440,633 A
Filed
: 10/18/1965
Issued
: 04/22/1969
Est. Priority Date
: 10/18/1965
Status: Expired due to Term
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Current Assignee
Jorgen P. Vinding
Original Assignee
Jorgen P. Vinding
Inventors
Vinding, Jorgen P.
Application Number
US04/497,181
Time in Patent Office
1,282 Days
Field of Search
US Class Current
340/5.8
CPC Class Codes
B61L 25/043
using inductive tags
G01S 13/756
using a signal generator fo...
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