ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,391, issued on Sept. 1, was assigned to Xuchang Weiken Hair Products Co. Ltd. (Xuchang City, China).
"Wig cap" was invented by Xiangfeng Kong (Xuchang City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wig cap includes a first wearing portion, a second wearing portion and an adjusting portion. The first wearing portion is worn on a front portion of a head. The second wearing portion is worn on a rear portion of the head and is connected to the first wearing portion. The adjusting portion is respectively connected to the first wearing portion and the second wearing portion. The adjusting portion is configured for adjusting a tightness of th...