ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,890, issued on Feb. 24, was assigned to Rubattel & Weyermann S.A. (La Chaux-de-Fonds, Switzerland).
"Process for manufacturing a dial" was invented by Yann Enggist (Ins, Switzerland) and Frederic Jeanrenaud (La Chaux-de-Fonds, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for manufacturing a watch dial including at least one pattern on a visible face of the dial, the process including: a step of designing a support plate including a dial blank, this step including producing several through holes in the thickness of the body of a support plate, the holes delimiting in such a plate the edge of the dial blank, and a step of produ...