ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,768, issued on Oct. 21, was assigned to ROLEX SA (Geneva).
"Horology component" was invented by Denis Favez (Le Grand-Saconnex, Switzerland) and Stefano Henin (Saint-Prex, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A horology component based on a fragile material, wherein said component comprises at least one surface part of fragile material covered with a coating (10) comprising at least two layers CE of elastic material (11) separated by a layer CR of a material (12) stronger than the elastic material (11)."
The patent was filed on Sept. 21, 2020, under Application No. 17/026,330.
*For further information, including images, chart...