ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,633, issued on July 28, was assigned to Marmot Mountain LLC (Rohnert Park, Calif.).

"Temperature regulating insulative system" was invented by Aubrey Vaughn (Sebastopol, Calif.) and Tran Quang Hao (Hanoi, Viet Nam).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell pattern is provided that may be arranged on an interior portion of a garment or other outdoor equipment. The cell pattern may help keep a garment wearer warm while also improving the breathability of the garment. The cell pattern may comprise warming cells that may take on a variety of shapes, sizes, and patterns, but the cells are preferably square-shaped and arranged in rows a "runnin...