ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,951, issued on June 10, was assigned to Yu-Lun Tsai (Taichung, Taiwan).
"Treadmill" was invented by Yu-Lun Tsai (Taichung, Taiwan) and Yang Li (Zhangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A treadmill includes a treadmill body including a main support unit and a belt mechanism. The main support unit includes at least one first frame, at least one second frame located under the at least one first frame, multiple first elastic shock-absorbing members mounted between the at least one first frame and the at least one second frame, and multiple second elastic shock-absorbing members mounted on a bottom of the at least one second frame....