US Patent Issued to Essilor International on Aug. 5 for "Optical element blocking method and related device" (French Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,512, issued on Aug. 5, was assigned to Essilor International (Charenton-le-Pont, France).

"Optical element blocking method and related device" was invented by Sebastien Pinault (Charenton-le-Pont, France), Luc Martin (Charenton-le-Pont, France) and Caroline Ho (Charenton-le-Pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for blocking an optical element on an insert of a blocking device including: providing the insert of the blocking device, the insert being blocked in respect with the blocking device; providing thermoplastic material in a solid state in a first particulate form, the provided thermoplastic material having a featur...