escalator – Patent Yogi LLC

On August 2nd, 1892 George A. Wheeler, of New York City, patented ideas for the first practical moving staircase, though it was never built - This Day in Patent History

Patent Information Publication number: US479864 A Patent Title: Elevator Publication type: Grant Publication date: Aug 2, 1892 Filing date: Mar 5, 1891 Inventors: George A.…

This Day in Patent History - On December 10, 1898, Leamon G. Souder patented an escalator

On December 10, 1898, Leamon G. Souder patented an escalator. This was the first of the four escalator-style patents issued to Souder, including two for…