ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,538, issued on Oct. 20, was assigned to Shenzhen Maichen Suchuang Technology Co. Ltd. (Shenzhen, China).

"Telescopic insect-and-fly repellent device" was invented by Haichao Wang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A telescopic insect-and-fly repellent device includes a plurality of telescopic sleeves. A fan assembly is disposed on the sleeve at the top, and the sleeves slide through a sliding rail mechanism; during usage, the sleeves are limited by a locking device, and can be contracted only by pressing the locking device; and this configuration can ensure reliable connection in an unfolded state, and prevent the insect...