ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,729, issued on July 7, was assigned to Jiangsu E-Best Textile Technology Co. Ltd. (Nantong City, China).

"Duvet cover and duvet assembly" was invented by Yang Wei (Nantong City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A duvet cover and a duvet assembly. The duvet cover includes: a zipper and a cover body. The zipper includes a lower zipper chain, an upper zipper chain, and a slider. The cover body includes a lower cover piece and an upper cover piece. The lower cover piece includes a lower accommodation zone and a lower flange, where the lower zipper chain is stitched between the lower accommodation zone and the lower flange. The upper c...