ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,556, issued on July 22, was assigned to ACCO BRANDS Corp. (Lake Zurich, Ill.).

"Refillable laminating film cartridge system and refill thereof" was invented by Samuel Paul Amdahl (Prospect Heights, Ill.), Aaron Melamed (Chicago) and Adam Himmelspach (Spring Grove, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual roll laminating film cartridge refill for a reusable cartridge loadable in a laminating machine. The refill includes a first roll of continuous adhesive-coated translucent laminating film having a first axial end and a second axial end. The refill includes a second roll of continuous adhesive-coated translucent laminating film havi...