ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,457, issued on Aug. 19, was assigned to SOUTHERNMOST ESCAPE LLC (Appling, Ga.).
"Oxygen-activated heat releasing enclosure" was invented by Matthew D. Welder (Appling, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oxygen-activated heat releasing enclosure includes an insulated shell with at least a first cutout portion, a second cutout portion, and a sealable opening that opens to a cavity of the oxygen-activated heat releasing enclosure. A transparent window, disposed within the first cutout portion, allows contents within the cavity to be visible from outside of the cavity. A heat releasing member, disposed within the second cutout portion...