Patents by Inventor Clifford J. Shaffran

Clifford J. Shaffran 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).

  • Patent number: 4072121
    Abstract: An elongate mast section that when joined to at least one further section along the longitudinal edges thereof forms a mast. Each longitudinal edge has a U-shaped portion including a protruding flange which is joined to the corresponding flange of the adjacent section by means of a joining strip. A wedge is driven between the bases of the flanges to force the flanges into firm frictional engagement with the joining strips to complete the basic mast.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: February 7, 1978
    Assignee: Clifford Industries PTY., Ltd.
    Inventors: Warren M. Anderson, Clifford J. Shaffran