ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,071, issued on Feb. 11.

"Hat rack for baseball cap" was invented by Zhongyi Jiang (Nanchang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hat rack for baseball cap includes a main body which is provided with a vertical support surface. The support surface is provided with a plurality of connection ports arranged in a row from top to bottom, and each of the connection ports is provided with a lower support platform and an upper positioning platform located above the lower support platform respectively. A bottom surface of the upper positioning platform forms a limiting portion which sinks upward. The invention can store a large number of ba...