Societe d'Etude du Radant

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5579015 Electronic sweep device with active lens and integrated light sourceExpiredJul 01, 85Nov 26, 96[H01Q]
4552151 Process and means for rapid point by point survey of body scanning radiation fieldExpiredDec 05, 84Nov 12, 85[A61B]
4531126 Method and device for analyzing a very high frequency radiation beam of electromagnetic wavesExpiredMay 17, 82Jul 23, 85[G01S]
4518966 Adaptive spatial microwave filter for multipolarized antennas and the process of its applicationExpiredSep 29, 82May 21, 85[H01Q]
4447815 Lens for electronic scanning in the polarization planeExpiredJun 01, 81May 08, 84[H01Q]
4433313 Apparatus for microwave directional coupling between a waveguide and a striplineExpiredSep 09, 81Feb 21, 84[H01P]
4344077 Adaptive spatial microwave filterExpiredJan 31, 80Aug 10, 82[H01Q]
4320404 Microwave phase shifter and its application to electronic scanningExpiredFeb 24, 81Mar 16, 82[H01Q]
4297708 Apparatus and methods for correcting dispersion in a microwave antenna systemExpiredJun 22, 78Oct 27, 81[H01Q]
4212014 Electronically controlled dielectric panel lensExpiredJun 22, 78Jul 08, 80[H01Q]

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