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United States Utility Patents
5,198,660 - 5,198,669

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NumberTitle
5,198,660 Optical sensing circuit including an integral capacity
5,198,661 Segmented light curtain system and method
5,198,662 Water temperature distribution measurement system employing optical cable and means for determining a water depth at various points along the optical cable
5,198,663 Angular velocity sensor with displacement scale and sensor means
5,198,664 Photoelectric sensor assembly having compressible and sealing members
5,198,665 Quadrupole trap improved technique for ion isolation
5,198,666 Mass spectrometer having a multichannel detector
5,198,667 Method and apparatus for performing scanning tunneling optical absorption spectroscopy
5,198,668 Automatic focusing apparatus for scanning electron microscope
5,198,669 Digital X-ray image processing apparatus



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