Patents by Inventor Graydon E. Smith

Graydon E. Smith 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).

  • Load-bearing hollow core base panel
    Patent number: 4407878
    Abstract: A portable airfreight container base panel or other load-bearing panel of hollow core reinforced construction comprising top and bottom sheets interconnected and maintained in parallel relationship by spaced parallel ribs, with the top sheet additionally supported by nonfastened intercostal tubular columns bridging between sheets and maintained in preselected design positions, suited to the specific load requirements of individual applications, by one or more styrofoam retainer sheets or equivalent means apertured to receive and hold the columns in position.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: October 4, 1983
    Inventors: Graydon E. Smith, Barry J. Lewis