Patents by Inventor Joseph F. DeMeo

Joseph F. DeMeo 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).

  • Fiber optic cable inner duct
    Patent number: 4688890
    Abstract: A fiber optic cable innerduct for containing and protecting fiber optic cable and for reducing the friction drag on the fiber optic cable as it is being pulled through the innerduct to allow for longer and more efficient cable pulls comprises an innerduct having a base with a circular cross section and longitudinal ribs spaced around the inner surface of the innerduct supporting the cable and for reducing friction drag on the fiber optic cable when it is being pulled through the innerduct by riding the fiber optic cable on the top ridges of the ribs.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: August 25, 1987
    Assignee: Goodall Rubber Company
    Inventors: Joseph F. DeMeo, Frederick B. Williamson, III