Patents by Inventor Elio P. Toffoli

Elio P. Toffoli 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).

  • Curtain wall structure
    Patent number: 5253459
    Abstract: A curtain wall structure assembled from modular frame assemblies and having an improved four corner joint construction of more than adequate weathertightness. Alignment means is provided for structurally connecting lower head rails in axially aligned relation. Filler strip means and lap strip means cooperate with the alignment means to cap a vertical conduit formed by interlocked mullion sections; and to seal a gap and a space presented between adjacent interlocked head and sill rails thereby providing a wearthertight four corner joint.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: October 19, 1993
    Assignee: Robertson-Ceco Corporation
    Inventors: Benigno N. Parinas, Elio P. Toffoli, Jesse G. Vokey