ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,690, issued on April 14, was assigned to SARINE TECHNOLOGIES LTD. (Israel).
"System and method for grading clarity of gemstones" was invented by Ran Sheps (Hod HaSharon, Israel), Itamar Kofman (Hod HaSharon, Israel) and Avi Kerner (Hod HaSharon, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for grading a gemstone including its clarity are presented. An image capturing device disposed to capture images along a line of sight: a holder to support the gemstone thereon; a manipulator arm, carrying the holder, configured to rotate along a roll axis, and allow for rotation of the holder along a pitch axis: an illumination sub-s...