ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,548, issued on June 23, was assigned to Johnson Health Tech Co. Ltd. (Taichung City, Taiwan).
"Mobility mechanism for healthy equipment" was invented by Shaun Livieri (Sun Prairie, Wis.), Donald E Stiemke (Madison, Wis.), Rick Mobley (Oregon, Wis.), Kuan-Ming Su (Taichung City, Taiwan) and Li Lin (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A health equipment has at least one height-adjustable wheel set mounted on its bottom, so that the health equipment can be operated to move on a ground. Each height-adjustable wheel set has a swing seat that can be rotatable between a first angle and a second angle, a wheel that can be mo...