Patents by Inventor Doriano Ottocan

Doriano Ottocan 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).

  • Opening device for packaging containers
    Patent number: 5188285
    Abstract: In an opening device for tetrahedral-shaped or parallel piped-shaped packaging containers, a strip of packaging material is provided with tear perforation lines substantially parallel to the longitudinal direction of the strip of material. The tear perforation lines intersecting a transverse seam on the packaging material are located relative to one another such that they converge at a point in a finished packaging container.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: February 23, 1993
    Assignee: Tetra Alfa Holdings S.A.
    Inventors: Bo Nilsson, Doriano Ottocan, Per Sponholtz