ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,133, issued on May 20, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Conformable shielding film" was invented by Sara Hemmer Frisco (Blaine, Minn.), Guy M. Kallman (Woodbury, Minn.), Kristal L Schutta (Forest Lake, Minn.) and Thomas B. Stirling (White Bear Lake, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of thermoforming a rigid film construction. The method comprises: applying a rigid film construction to a mold; and heating the rigid film construction until it conforms to the mold. The rigid film construction includes a rigid polymeric film layer; a light-modifying film layer; and a shielding film layer. The s...