ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,175, issued on Feb. 24.
"Fan" was invented by Xueping Zhu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a fan. The fan includes a fan main body, a circuit board, and an operating element. The circuit board is provided with a stepless adjusting member. The operating element is connected to the stepless adjusting member. The fan main body includes a first motor electrically connected to the circuit board and a fan blade connected to the first motor. The circuit board adjusts power output to the first motor when the operating element rotates and operates the stepless adjusting member. So as to adjust a...