CONIFER CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5523768 Integrated feed and down converter apparatusExpiredDec 20, 93Jun 04, 96[H01Q]
5448255 Dual band down converter for MMDS/MDS antennaExpiredAug 30, 94Sep 05, 95[H01P, H01Q]
5402138 Integrated MMDS/MDS antenna and dual band down converterExpiredMay 27, 93Mar 28, 95[H01P, H04B, H01Q]
5313220 Low noise integrated MMDS antenna and down converterExpiredMay 27, 93May 17, 94[H01Q]
5300941 Integrated MMDS antenna and down converterExpiredJan 05, 93Apr 05, 94[H01Q]
5293175 Stacked dual dipole MMDS feedExpiredMar 15, 93Mar 08, 94[H01Q]
5229782 Stacked dual dipole MMDS feedExpiredJul 19, 91Jul 20, 93[H01Q]
5202699 Integrated MMDS antenna and down converterExpiredMay 30, 91Apr 13, 93[H01Q]
5020149 Integrated down converter and interdigital filter apparatus and method for construction thereofExpiredOct 24, 88May 28, 91[H01P, H04B, H05K]
5008956 Interdigital local oscillator filter apparatusExpiredMay 23, 89Apr 16, 91[H01P, H04B, H05K]
4791717 Interdigital filter apparatus and method for constructionExpiredSep 30, 87Dec 20, 88[H01P, H05K]
4295143 Low wind load modified farabolic antennaExpiredFeb 15, 80Oct 13, 81[H01Q]

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