David NELSON

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Carlsbad, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Detection and grading of the effect of blue fluorescence on diamond...
- Patent number 11,988,610
- Issue date May 21, 2024
- Gemological Institute of America, Inc. (GIA)
- Yun Luo
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DETECTION AND GRADING OF THE EFFECT OF BLUE FLUORESCENCE ON DIAMOND...
- Publication number 20240241063
- Publication date Jul 18, 2024
- GEMOLOGICAL INSTITUTE OF AMERICA, INC. (GIA)
- Yun LUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GEMSTONE BLUE FLUORESCENCE DETECTION AND GRADING
- Publication number 20220196565
- Publication date Jun 23, 2022
- GEMOLOGICAL INSTITUTE OF AMERICA, INC. (GIA)
- Yun LUO
- G06 - COMPUTING CALCULATING COUNTING