ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,946, issued on Feb. 18.
"Wall roof truss building system" was invented by Mary Lou Robles (Boulder, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A frame truss made of two walls and a roof structure. Each of the two walls have an outer and inner chord. The outer and inner chords of each respective wall are not parallel, but the inner chords of the two walls are parallel to each other. The arrangement of the inner and outer chords of each wall creates an exterior overhang with respect to the ground. Each of the walls converge at their bases and are attached at their bases to a plate. The roof structure attaches to the top of each of the walls ...