ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,017, issued on Dec. 23, was assigned to ETRONTA Ltd. (Hong Kong, Hong Kong).
"Fan" was invented by Jinhong Wu (Guangdong, China) and Dewen Zeng (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fan is provided, the fan includes a fan head, a power supply assembly and a floor-standing bracket, the floor-standing bracket is configured to support a combination of the fan head and the power supply assembly on a ground; a power bank is received in the power supply assembly and configured to supply power to the fan head, the power supply assembly is detachably connected to the supporting bracket; when the power supply assembly disengages ...