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United States Utility Patents
4,993,820 - 4,993,829

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NumberTitle
4,993,820 Optical instrument, in particular binoculars
4,993,821 Self-supported, adjustable, condensation-free shower mirror
4,993,822 Rearview mirror for a motor vehicle
4,993,823 Method for correction of distortions of an imaging device
4,993,824 Thermal mapping compensated mirror and method of making the same
4,993,825 Device for photographing eye movement
4,993,826 Topography measuring apparatus
4,993,827 Method for detecting cataractogenesis
4,993,828 Camera and method of producing and displaying a 3-D motion picture
4,993,829 Developing apparatus for an image forming apparatus



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