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United States Utility Patents
5,117,300 - 5,117,309

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NumberTitle
5,117,300 Electrical circuit device with different types of conductor paths
5,117,301 System for transmitting information to moving object
5,117,302 High dynamic range electro-optical shutter for steroscopic and other applications
5,117,303 Method of operating concatenated optical amplifiers
5,117,304 Retroreflective article
5,117,305 Modified retroreflector
5,117,306 Diffraction bifocal with adjusted chromaticity
5,117,307 Rotating wheel image maker
5,117,308 Lens system using unhomogenous media
5,117,309 Vari-focal lens system having graded refractive index lens



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