US Patent Issued to Essilor International on Aug. 25 for "Method and device for pressing against each other two ophthalmic lenses in order to build an electrochromic cell" (French Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,198, issued on Aug. 25, was assigned to Essilor International (Charenton-le-Pont, France).

"Method and device for pressing against each other two ophthalmic lenses in order to build an electrochromic cell" was invented by Rachid El Amrani (Dijon, France) and Antoine Monvoisin (Beire le Fort, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for pressing against each other a first ophthalmic lens having a first face and a second ophthalmic lens having a second face in order to build an electrochromic cell comprising a cavity delimited by the first and second faces, the first and second ophthalmic lenses being superposed and an adhesive s...