Patents by Inventor Ralph Sandquist

Ralph Sandquist 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).

  • Spine board
    Patent number: 4519106
    Abstract: A spine board having openings for receiving the clasps of a strap member that is adapted to secure the torso of an accident victim to the board for immobility, the strap member carrying a plurality of slidably disposed clasps that secure to predetermined locations on the board with the strap having free ends with buckle and catch members that engage to secure the torso to the spine board.
    Type: Grant
    Filed: August 19, 1981
    Date of Patent: May 28, 1985
    Inventor: Ralph Sandquist