Patents by Inventor Gregg D. Kowalski

Gregg D. Kowalski 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).

  • Multi-layer flexible packaging material
    Patent number: 4661414
    Abstract: A flexible, laminated packaging material comprising:(a) an external layer of paper;(b) a first internal layer of polyethylene affixed to the paper layer;(c) a second internal layer of metallic foil affixed to the polyethylene layer; and(d) an external, three component, co-extruded layer affixed to the metallic layer which includes a middle co-extrudate of high density polyethylene between outer co-extrudates formed from a blend of an ionomer resin with ethyl methacylate.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: April 28, 1987
    Assignee: American Can Company
    Inventor: Gregg D. Kowalski