Patents by Inventor Terry John Trapnell

Terry John Trapnell 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).

  • Termite barrier
    Patent number: 5904007
    Abstract: A termite barrier for masonry buildings having a concrete slab. The barrier consists of a profiled sheet of termite resistant material which is set into the slab and the masonry wall during construction. The profiled sheet has movement resisting deformations and one or more regions of curvature which resist sheer fracture of the barrier. Preferred profiles are Z-shaped and T-shaped.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: May 18, 1999
    Assignee: Terry John Trapnell
    Inventor: Terry John Trapnell