Patents by Inventor David A. Willey

David A. Willey 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).

  • Drywall suspension grid system
    Patent number: 6047512
    Abstract: A drywall suspension grid system comprising a selection of various sized and specified pre-formed and pre-engineered "T" grid beams and components used to construct a grid having a grid face upon which drywall is mounted, thus creating a suspended drywall ceiling. The suspension grid system can be used to create flat ceilings, curved ceilings, soffits, fascia for floating edge ceilings, utility interfaces, or any combination thereof in a suspended grid drywall ceiling.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: April 11, 2000
    Assignee: USG Interiors, Inc.
    Inventors: Alan C. Wendt, David A. Willey