ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,262, issued on Nov. 25, was assigned to SPRINTURF LLC (Atlanta).

"Non-perforated artificial turf with porous backing and methods of manufacture thereof" was invented by Jamie Randall Collins (Chatsworth, Ga.) and Timothy Bryan Wagoner (Dalton, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a synthetic non-perforated drainable material is disclosed herein. Generally, the method includes injecting a coating material with air, applying the air-injected coating material to the first side of the material, and curing the air-injected material such that it adheres. Once cured, the material has a highly efficient drainage rate...