Carlsbad, California
United States
3
2025-11-20
The entities that hold a legal rights for patent applications filed by inventor NELSON David:
David NELSON from Carlsbad, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DETECTION AND GRADING OF THE EFFECT OF BLUE FLUORESCENCE ON DIAMOND APPEARANCES
#2 | 2024-07-18DETECTION AND GRADING OF THE EFFECT OF BLUE FLUORESCENCE ON DIAMOND APPEARANCES
#3 | 2022-06-23Detection and grading of the effect of blue fluorescence on diamond appearances
5443574 ⎘