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Defect mapping system

Optics: measuring and testing – Crystal or gem examination
Patent

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Device for judging brilliancy of precious stones such as diamond

Optics: measuring and testing – Crystal or gem examination
Patent

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Device for judging symmetry, brightness, and efficiency of...

Optics: measuring and testing – Crystal or gem examination
Reexamination Certificate

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Device for judging symmetry, brightness, and efficiency of...

Optics: measuring and testing – Crystal or gem examination
Reexamination Certificate

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Diamond cut scoring system and method

Optics: measuring and testing – Crystal or gem examination
Reexamination Certificate

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Diamond mapping

Optics: measuring and testing – Crystal or gem examination
Patent

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Diamond separation process

Optics: measuring and testing – Crystal or gem examination
Patent

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Distance estimation based on image contrast

Optics: measuring and testing – Crystal or gem examination
Reexamination Certificate

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Distinguishing natural from synthetic diamond

Optics: measuring and testing – Crystal or gem examination
Patent

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