ITT Electro Optical Products

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4853020 Method of making a channel type electron multiplierExpiredJan 25, 88Aug 01, 89[C03C]
4853098 Method of making image intensifier tubeExpiredDec 17, 87Aug 01, 89[C23C]
4843229 High light level cutoff apparatus for use with night vision devicesExpiredDec 02, 87Jun 27, 89[H01J]
4822994 Small arms sight for use during daylight and nighttime conditionsExpiredSep 23, 87Apr 18, 89[H01J, F41G]
4724357 Image intensifier tube with reduced veiling glare and method of making sameExpiredAug 22, 86Feb 09, 88[H01J]
4713841 Synchronous, asynchronous, data rate transparent fiber optic communications linkExpiredJun 03, 85Dec 15, 87[H04B]
4708677 Method of measuring the temperature of a photocathodeExpiredDec 27, 85Nov 24, 87[H01J]
4694504 Synchronous, asynchronous, and data rate transparent fiber optic communications linkExpiredJun 03, 85Sep 15, 87[H04B]
4691099 Secondary cathode microchannel plate tubeExpiredAug 29, 85Sep 01, 87[H01J]

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