STELLEX MICROWAVE SYSTEMS, INC., A CALIFORNIA CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5170142 Radio frequency feedthrough seal and methodExpiredSep 09, 91Dec 08, 92[H01P]
4737123 Connector assembly for packaged microwave integrated circuitsExpiredApr 15, 87Apr 12, 88[H01R]
4677400 Variable line extender for wave guideExpiredApr 08, 85Jun 30, 87[H01P]
4455448 Housing for microwave electronic devicesExpiredDec 02, 81Jun 19, 84[H05K]
4423388 RF Amplifier circuit employing FET devicesExpiredOct 29, 81Dec 27, 83[H03F]
4420731 Controlled voltage yttrium iron garnet (YIG) resonator apparatusExpiredAug 10, 81Dec 13, 83[H01P]
4412354 Millimeter-wave stripline planar mixerExpiredApr 01, 82Oct 25, 83[H04B]
4394632 Millimeter-wave odd harmonic frequency multiplierExpiredJun 29, 81Jul 19, 83[H01P]
4328466 Electron bombarded semiconductor device with doubly-distributed deflection meansExpiredJul 03, 72May 04, 82[H03F]

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