ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,539, issued on Feb. 4, was assigned to SHEN ZHEN LAMHO PHOTOELECTRICITY & TECHNOLOGY Co. LTD (Shenzhen, China).

"String light controller with charging function and charging dock" was invented by Yelin Gong (Fuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a string light controller with a charging function and a charging dock. The string light controller comprises a shell, wherein a main board and a rechargeable battery electrically connected with the main board are installed on the shell, the main board is connected with the rechargeable battery through a battery charging and discharging management circuit,...