Patents by Inventor John D. Burroughs

John D. Burroughs 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).

  • Closed cell foam ground pad and methods for making same
    Patent number: 4980936
    Abstract: A flexible pad is disclosed for supporting a load above an underlying surface. The pad is thermoformed from closed cell material comprising a plurality of closed cells. A substantial portion of the cells are elongated in a direction generally parallel to ribs and velleys formed in the upper and lower surface and lower surfaces of the pad.
    Type: Grant
    Filed: September 3, 1987
    Date of Patent: January 1, 1991
    Inventors: Peter O. Frickland, James M. Lea, Peter D. Haggerty, Eric L. Rayl, John D. Burroughs
  • Method of packaging and unpackaging a self-inflating air mattress
    Patent number: 3935690
    Abstract: A method of packaging a self-inflating air mattress comprising an open cell foam core and an air impervious envelope. A plurality of mattresses are stacked intermittently between forming boards and evacuated. Each bag is then rolled up and placed in a flexible tubular container and the vacuum released on the mattress to provide a sung package. To remove the mattress, the container and mattress are compressed, the inflating valve closed, and the mattress slipped from the container.
    Type: Grant
    Filed: December 10, 1974
    Date of Patent: February 3, 1976
    Inventors: James M. Lea, John D. Burroughs
  • Body support pad
    Patent number: D303466
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: September 19, 1989
    Assignee: Cascade Designs, Inc.
    Inventors: Peter D. Haggerty, James M. Lea, Peter O. Frickland, Eric L. Rayl, John D. Burroughs