ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,633, issued on July 28, was assigned to Rubattel & Weyermann S.A. (La Chaux-de-Fonds, Switzerland).
"Formation of a three-dimensional object on a dial" was invented by Frederic Jeanrenaud (La Chaux-de-Fonds, Switzerland) and Pierre Fritz (Bellerive, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A deposition method for forming a three-dimensional object on a watch dial and/or a watch bezel that includes at least supplying at least one support and depositing an adhesion layer, an outline of the object is delimited in order to enable a cavity to be formed by the deposition of a plurality of polymer layers, such that said object is formed b...