ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,446, issued on Feb. 17.

"Hanging neck fan" was invented by Miaosheng Chen (Shenzhen Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hanging neck fan is disclosed, including a main board, a battery, a first fan wheel and a second fan wheel. The battery is electrically connected to the main board, and the first fan wheel and the second fan wheel are electrically connected to the main board respectively. The hanging neck fan further includes a first housing and a second housing, the first housing and/or the second housing are configured with the first fan wheel and the second fan wheel inside. The first fan wheel and the second fan wh...