ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,276, issued on March 24, was assigned to KOLONGLOTECH (Seoul, South Korea).

"Artificial turf structure having improved buffering performance" was invented by Kwang Su Cho (Gumi-si, South Korea), Eun Seon Jeong (Gumi-si, South Korea), Seung Min Han (Gumi-si, South Korea), Hyun Joung Jun (Gumi-si, South Korea), Ki Tae Bae (Daegu, South Korea), Se Jun Hwang (Gumi-si, South Korea) and Hye In Bang (Gumi-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An artificial turf structure includes a protective layer, a buffer layer disposed on a lower surface of the protective layer and having a three-dimensional structure comprising a front surfac...