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United States Utility Patents
5,033,840 - 5,033,849

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NumberTitle
5,033,840 Interpupillary distance measuring device with no moving parts
5,033,841 Ophthalmological instrument
5,033,842 Episcopic projector
5,033,843 Rear projection screen assembly
5,033,844 Camera employing automatic focusing unit
5,033,845 Multi-direction distance measuring method and apparatus
5,033,846 Lightwave component analyzer for determination of chromatic dispersion in single mode optical fiber
5,033,847 Angular positioning and calibration of projected reference light planes
5,033,848 Pendulous compensator for light beam projector
5,033,849 Atomizing device of high-melting metal



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