El-Op Electro-Optics Industries Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7087886 Method and a system for multi-pixel ranging of a sceneExpiredApr 02, 03Aug 08, 06[H01J]
7006266 Optical switching devicesExpiredOct 04, 01Feb 28, 06[G02B]
6624956 Numerical aperture limiterExpiredOct 13, 00Sep 23, 03[G02B]
5400174 Optical notch or minus filterExpiredDec 14, 93Mar 21, 95[G02B]
5235513 Aircraft automatic landing systemExpiredDec 04, 91Aug 10, 93[G01S]
5022724 Zoom systemExpiredFeb 05, 90Jun 11, 91[G02B]
4989215 Laser pumping cavityExpiredFeb 01, 89Jan 29, 91[H01S]
4896962 System for measuring the angular displacement of an objectExpiredMay 26, 88Jan 30, 90[G01J, G01C]
4731788 Low divergence laser apparatusExpiredJul 18, 86Mar 15, 88[H01S]

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