Patents by Inventor Robert W. DeWitt

Robert W. DeWitt 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).

  • Seat with wear-resistant mounting
    Patent number: 4408743
    Abstract: A seat is attached atop a trunnion member rotatably mounted within an intermediate tubular member vertically slidable within a tubular base member. Structure is provided for reducing wear between rubbing surfaces on the trunnion member and the intermediate member, and this same structure functions as part of the elevating mechanism for the intermediate member.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: October 11, 1983
    Assignee: Coach and Car Equipment Corporation
    Inventors: Robert W. DeWitt, Lester H. Feddeler