Who Invented The Stair Climbing Wheelchair?
Who Invented The Stair Climbing Wheelchair? Ernesto Blanco invented his stair-climbing wheelchair in 1962 and entered it in a design challenge from the National Inventors Council, a U.S. agency that sought out technologies of potential military use. Blanco even created a one-quarter scale model [above] to show that the design actually worked. What did Rufus