ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,729, issued on April 7, was assigned to GUANGZHOU PRODIGY DAILY-PRODUCTION Co. LTD (Guangzhou, China).

"Rotary protective cover" was invented by Zhanpeng Liang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a rotary protective cover, the insulating insertion rods are inserted into the jacks of the socket, and the lower cover fits the socket and is hardly plugged out, thereby playing a role in preventing children from accidentally touching the socket and preventing other articles from being inserted into the socket. If it needs to plug out the rotary protective cover, the upper cover is rotated first, such th...