US Patent Issued to Comadur on Aug. 4 for "Method for the surface treatment of a jewel, in particular for the watchmaking industry" (French, Swiss Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,558, issued on Aug. 4, was assigned to Comadur SA (Le Locle, Switzerland).

"Method for the surface treatment of a jewel, in particular for the watchmaking industry" was invented by Pierry Vuille (Les Emibois, Switzerland) and Alexis Boulmay (Morteau, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating a jewel of the monocrystalline or polycrystalline type (20), in particular for the watchmaking industry, the jewel (20) including a body (23) defining the shape thereof. The method includes a step of ion implantation on the surface (24) of at least a part of the body (23) to modify the roughness of the surface (24)."

The patent ...