ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,176, issued on Nov. 25, was assigned to Essilor International (Charenton-le-Pont, France).

"Fluidic optical article with a mobile element and method for controlling same" was invented by Sylvain Chene (Charenton le Pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to an optical article comprising an optical lens shell having an internal surface, a support element mounting said shell, disposed in a fixed position, and movably mounting a moveable element between a first position and a second position. The optical article further comprises a sealed cavity, placed between the moveable element and the internal surface of ...