ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,159, issued on Sept. 23.
"Multifunctional hanger of adjustable swimming training machine" was invented by Xiangqian Zuo (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional hanger of an adjustable swimming training machine is provided, which relates to the technical field of a fixing apparatus of a swimming pool training device. The multifunctional hanger includes a U-shaped hanger, an adjustable cross bar and at least two fixing components. A plurality of limiting holes are arranged at equal intervals along an axial direction of the vertical part to be fixed with the swimming training machine through locking screws; th...