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 spiral designs.
Patent Information
Publication number: US625905 A
Patent Title: Moving stairway or elevator
Publication type: Grant
Publication date: 30 May 1899
Filing date: 10 Dec 1898
Inventors: Leamon G. Souder
