ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,874, issued on Feb. 10, was assigned to Cascade Designs Inc. (Reno, Nev.).
"Adjustable sleeping bag" was invented by Louis Dawson (North Bend, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sleeping bag including an insulated tube open at a first longitudinal end and closed at a second longitudinal end, wherein the insulated tube has a bottom side and a top side. The sleeping bag includes an outer shell, an inner liner, and insulation material enclosed by the outer shell and the inner liner. The sleeping bag includes an expansion panel on the top with a narrower end positioned nearest the first longitudinal end, a wider end positioned neares...