Patents by Inventor Daniel N. Leavell

Daniel N. Leavell 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).

  • Glass backdust for roof covering
    Patent number: 6524682
    Abstract: A roof covering has a back surface and a plurality of glass particles applied as a backdust on the back surface. A method of manufacturing a roof covering includes coating a substrate with an organic-based coating material, and applying a plurality of glass particles as a backdust on the back surface of the coated substrate.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: February 25, 2003
    Assignee: Owens-Corning Fiberglas Technology, Inc.
    Inventor: Daniel N. Leavell