Patents by Inventor Douglas M. Porter

Douglas M. Porter 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: 4078795
    Abstract: An enclosure with barriers hung from tension cables that are suspended from corner supports, each of which includes a pair of compression members and a tensile member. The compression members of each pair are disposed obliquely with respect to their associated tensile member which is disposed vertically, the compression members and tensile member of each corner support converge at an apex from which the tension cable is suspended. One compression member of each corner support lies in a plane that is parallel to one side of the enclosure and the other compression members of that corner support lies in a plane that is parallel to an adjacent side of the enclosure, the associated tensile member being at the intersection of the two planes.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: March 14, 1978
    Inventor: Douglas M. Porter