Patents by Inventor Raymond W. Wright

Raymond W. Wright has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Movable steps for a transit vehicle
    Patent number: 3957284
    Abstract: A movable step assembly for use in mass transit vehicles to accommodate variations in passenger off and on loading facilities, said steps being movable from a conventional relation to permit on and off loading to street levels to an aligned, coplanar relation to permit on and off loading onto subway and other elevated platforms.
    Type: Grant
    Filed: September 13, 1974
    Date of Patent: May 18, 1976
    Assignee: The Boeing Company
    Inventor: Raymond W. Wright