ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,183, issued on April 15, was assigned to Essilor International (Charenton-le-Pont, France) and Shamir Optical Industry Ltd (Kibbutz Shamir, Israel).
"Thermoforming machine and method" was invented by Youval Katzman (Kibbutz Shamir, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "This thermoforming machine includes a thermoforming chamber having at least one heated air inlet through which heated air flows into the thermoforming chamber at a controlled pressure. The air inlet cooperates with a heated air flow distribution regulator located in the thermoforming chamber and through which the heated air flows out of the thermoforming chamber at a pr...