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United States Utility Patents
4,807,970 - 4,807,979

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NumberTitle
4,807,970 Holograms in photorefractive materials
4,807,971 Optical decorative apparatus
4,807,972 Temperature compensating driver for a liquid crystal display
4,807,973 Matrix address display apparatus having conductive lines and pads for repairing defects
4,807,974 Liquid crystal display having a decoder between a driver and scan electrodes
4,807,975 Image forming system having uniform illumination flux for liquid crystal image means
4,807,976 Light valve system and method with pulsed readout
4,807,977 Multi-color electrochromic cells having solid polymer electrolytes and a distinct electrochromic layer
4,807,978 Color display device and method using holographic lenses
4,807,979 Microscope slide marking device



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