1917 – “Pedomotor” Steam-Powered Running Device – Leslie C. Kelley (American)

Kelley invents the "Pedomotor", or power operated walking or running device to facilitate the operation of pedestrianism or running operation. The "Pedomotor" will provide relief of muscles utilized during the running operation, and to increase the speed of the person. Although any type of motive power can be applied, Kelley describes a small steam-engine to …