4. Optics: measuring and testing
  5. Refraction testing
  6. Prism engaging specimen

Raymond E. Babb

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Automatic calibration control for color grading apparatus

Optics: measuring and testing – By shade or color
Patent

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Color grading apparatus

Optics: measuring and testing – Refraction testing – Prism engaging specimen
Patent

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Color grading apparatus utilizing infrared light source

Optics: measuring and testing – Refraction testing – Prism engaging specimen
Patent

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System for detecting jams and other malfunctions in container pr

Boots – shoes – and leggings
Patent

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Profile ID: LFUS-PAI-P-407977

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