ITT RESEARCH INSTITUTE

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6356823 System for monitoring and recording motor vehicle operating parameters and other dataExpiredJan 27, 00Mar 12, 02[G06F]
6321764 Collapsible isolation apparatusExpiredAug 24, 99Nov 27, 01[E04H]
5516227 Spherodized fluorescent beads for improved roadway pavement marker visibilityExpiredJul 07, 94May 14, 96[E01F]
5420402 Methods and apparatus to confine earth currents for recovery of subsurface volatiles and semi-volatilesExpiredFeb 05, 92May 30, 95[H05B]
4905761 Microbial enhanced oil recovery and compositions thereforExpiredJul 29, 88Mar 06, 90[E21B]
4883505 Methods and apparatus for atmospheric sampling and analysis of trace contaminantsExpiredJul 22, 88Nov 28, 89[B01D]
4837044 Rugate optical filter systemsExpiredJan 23, 87Jun 06, 89[B05D]
4670634 In situ decontamination of spills and landfills by radio frequency heatingExpiredApr 05, 85Jun 02, 87[H05B]
4645004 Electro-osmotic production of hydrocarbons utilizing conduction heating of hydrocarbonaceous formationsExpiredApr 25, 84Feb 24, 87[E21B]
4485869 Recovery of liquid hydrocarbons from oil shale by electromagnetic heating in situExpiredOct 22, 82Dec 04, 84[E21B]
4258388 Optical indexing systemExpiredFeb 02, 79Mar 24, 81[H04N]

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