ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,423, issued on June 23, was assigned to SUMMA-MAGNA 1 Corp. (Martville, N.Y.).
"Cementitious composition" was invented by Gale A Raponi (Martville, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cementitious composition, including for the molding of relatively light-weight, heat-insulative, nailable, structural units such as bricks, blocks, roof decking, etc. The composition may include an inorganic cementitious settable admixture within which is incorporated a significant proportion of waste industrial products, such as concrete, blacktop, windmill blades, brick chips, plastics, cordierite, tires, stack dust and/or fly ash, ceramics, clays, ...