Patents by Inventor Dwight Apollos Phelps

Dwight Apollos Phelps 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).

  • Hybrid communications and power cable and distribution method and network using the same
    Patent number: 5677974
    Abstract: A hybrid cable for distributing communications signals and three-phase moderate-voltage alternating current, and a distribution method and network using the hybrid cable. The cable includes a hollow conduit, an optical fiber pulled through the conduit and housed within the conduit, power conductors disposed around the conduit, and a sheath which provides both structural protection and dielectric properties encasing the power conductors.
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: October 14, 1997
    Assignee: Southern New England Telephone Company
    Inventors: Ronald Duane Elms, John Garland Messina, Dwight Apollos Phelps, John Joseph Wells