ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,255, issued on April 14, was assigned to JingWeiLianHe (Hong Kong) Technology Co. Ltd. (Hong Kong, Hong Kong).
"Pillowcase" was invented by Xin Chen (Hong Kong, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pillowcase includes a pillowcase main body. The pillowcase main body is made of a fabric. The pillowcase main body includes an upper covering surface and a lower covering surface. The upper covering surface is connected to the lower covering surface to form a first accommodating space configured to accommodate a pillow core. The fabric includes a carrier and a care agent. The care agent is mixed with the carrier. The care agent is m...