Patents by Inventor Michael H. Mayfield

Michael H. Mayfield 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).

  • Flame retardant plenum cable
    Patent number: 5932847
    Abstract: A communication cable includes a first plurality of twisted pairs of electrical conductors, wherein each electrical conductor is surrounded by a layer of plenum rated insulation. The cable also includes a second plurality of twisted pairs of electrical conductors, wherein one conductor of each pair is surrounded by a layer of plenum rated insulation and the other electrical conductor is surrounded by a layer of non-plenum rated insulation. In an alternate embodiment, a communication cable includes a plurality of twisted pairs of electrical conductors, each pair having a first insulating material about one of the electrical conductors and a second insulating material about the second electrical conductor.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: August 3, 1999
    Assignee: Remee Products Corporation
    Inventor: Michael H. Mayfield