ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,582, issued on March 31, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Roller, film adhering apparatus and film adhering method" was invented by Hiroyuki Matsuoka (Yokohama, Japan), Takayoshi Fujino (Sagamihara, Japan), Yasuyuki Daigo (Machida, Japan) and Masayuki Kubota (Hadano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller including a core portion having a cylindrical shape, a support portion located on a central axis of the core portion and configured to rotatably support the core portion, a foam body covering an entire circumference of the core portion and including an outer circumferential surface being flat,...