NEOTEC CORPORATION, A CORP. OF DE.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4,737,034 Rectangular impinging beamExpiredFeb 20, 81Apr 12, 88[G01J]
4,443,108 Optical analyzing instrument with equal wavelength increment indexingExpiredMar 30, 81Apr 17, 84[G01J]
4,422,760 Optical analyzing instrument having vibrating troughExpiredFeb 20, 81Dec 27, 83[G01N]
4,400,086 Instrument for grinding and analyzing material in ground stateExpiredJun 04, 79Aug 23, 83[G01N]
4,285,596 Holographic diffraction grating system for rapid scan spectral analysisExpiredAug 16, 77Aug 25, 81[G01J]
4,264,205 Rapid scan spectral analysis system utilizing higher order spectral reflections of holographic diffraction gratingsExpiredSep 07, 78Apr 28, 81[G01J]
4,260,262 Grain quality analyzerExpiredNov 28, 78Apr 07, 81[G01N]

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