4. Optics: measuring and testing
  5. By shade or color
  6. Tristimulus examination

David K. MacFarlane

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Color measurement system with color index for skin, teeth,...

Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Reexamination Certificate

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Method and instrument for selecting personal compatible colors

Optics: measuring and testing – By shade or color – Tristimulus examination
Patent

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Method and instrument for selecting personal compatible colors

Optics: measuring and testing – By shade or color – With reflective multicolor chart or standard
Patent

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Methods and apparatus for color calibration and verification

Optics: measuring and testing – By shade or color
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1070220

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