ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,092, issued on July 15, was assigned to Truss Co. Ltd (Incheon, South Korea).

"Non-substrate adhesive tape with different adhesive properties on both sides and manufacturing method thereof" was invented by Ho Seup Moon (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-substrate adhesive tape with different adhesive properties on both sides and a manufacturing method of the non-substrate adhesive tape are disclosed. The adhesive tape includes heterogeneous first and second adhesive layers that have different properties from each other and are laminated by using a non-substrate primer coating layer. The adhesive tape includes ...