ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,504, issued on Oct. 7, was assigned to FOOTPRINT INTERNATIONAL LLC (Gilbert, Ariz.).

"Marking systems and methods for fiber-based products" was invented by Michael Rutigliano (Chandler, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of marking a fiber-based product includes providing a heat stamp apparatus including a heating element thermally coupled to a stamping block and a temperature sensor thermally coupled to the stamping block. The system further includes a platen bearing an embossed pattern. Marking is accomplished by heating the stamping element to a predetermined temperature via the heating element and information acquired f...