ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,669, issued on Feb. 18.
"Climbing machine with two slide bases" was invented by Chih-Yung Hsu (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A climbing machine with two slide bases provides for a user to operate in a standing posture. The climbing machine with two slide bases includes a seat, a primary bracket, a first slide rail, a first slide base, a second slide rail, a second slide base, a transmission unit, a first handle, a first pedal, a second handle, a second pedal, and a resistance unit. By the climbing machine with two slide bases, one can simulate the training of synchronous coordination of the movements of hands and feet...