Patents by Inventor Oberti Pierrosario

Oberti Pierrosario 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).

  • Patent number: 6574938
    Abstract: A sandwich panel for high strength wall and covering assemblies, comprising at least a plate element and at least a fretted element, glued to the plate element, the fretted element comprising a sheet metal plate having a size substantially like that of the plate element and a cross-section having a profile including a plurality of adjoining integral trapezium shape elements each defining a top and a bottom flat portion.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: June 10, 2003
    Inventors: Donati Francesco, Donati Giuseppe, Oberti Pierrosario