Gems & Jewelry
| Wed 20 Jan 2021
Alexandria, Jan. 20 -- Diffraction Grating Services has obtained a patent for faceted gemstone with enhanced color dispersion and diminished haze. This invention was developed by Benderly David. The patent application number is 16/112,870. The International Patent Classification codes are A44C 17/00 (20060101) and G02B 5/18 (200..