ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,648, issued on Oct. 21, was assigned to ROLEX SA (Geneva).
"Manufacture of a horology component" was invented by Florian Calame (Epalinges, Switzerland) and Xavier Multone (Lausanne, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Method for manufacturing by photolithography a resin multilayer mould (10; 10') including a cavity (11; 11') provided with an inlet (110; 110') for the manufacture of a horological component, including producing at least two resin layers of the mould (10; 10'), by producing a first resin layer (C10; C20') having a first through-opening or open opening (111; 111') oriented in the direction of the inlet (110; 110'...