Patents by Inventor Darrell C. Steagall

Darrell C. Steagall 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).

  • Dual density non-woven batt
    Patent number: 5079074
    Abstract: A dual layer, dual density batt having a first batt layer comprising at least first and second staple polymer fiber constituents forming a homogeneous intermixture of the fibers, at least some of the fibers in the first or second fiber constituents having a relatively low predetermined melting temperature and the remainder of the fiber in the first or second fiber constituents having a relatively high predetermined melting temperature and a second batt layer comprising at least first and second staple polymer fiber constituents forming a homogeneous intermixture of the fibers. At least some of the fibers in the first or second fiber constituents have a relatively low predetermined melting temperature and the remainder of the fiber in the first or second fiber constituents have a relatively high predetermined melting temperature.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: January 7, 1992
    Assignee: Cumulus Fibres, Inc.
    Inventors: Darrell C. Steagall, William C. Hoyle, Jr., George G. Gabrel