Patents by Inventor Thomas E. Vandenbark

Thomas E. Vandenbark 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).

  • Spring deck for seating structures
    Patent number: 4136410
    Abstract: A spring deck for seating structures consisting of a wire fabric sheet adapted to be applied to cover an open seating frame, and consisting of a pair of normally straight side spring wires secured at spaced intervals along their lengths to the side legs of the frame, and closely spaced, normally straight spring cross wires extending between and connected at their ends to the side wires.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: January 30, 1979
    Assignee: Flex-O-Lators, Inc.
    Inventors: Thomas E. Vandenbark, John H. Patrick