ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,748, issued on March 25, was assigned to Global 1 Habitats LLC (Clayton, N.C.).

"Affordable buildings and methods of constructing them" was invented by Gordon R. McGilton (Clayton, N.C.) and Larry E. Elliott (Clayton, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Building techniques and structures to fabricate components of expanded polystyrene (EPS) for assembly into a building include structures and ways to make keys to provide shear strength between components, structures and ways to minimize infiltration paths between walls and floors and walls and roof while reducing labor, material wastage and logistics complications. By way of example,...