Patents by Inventor Michael Grillo

Michael Grillo 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).

  • Pop-top lid
    Patent number: 4356929
    Abstract: A pop-top lid with a pre-formed opening which serves for dispensing the contents, is located in the lid plane, and is provided with essentially parallel side edges. The lid also includes a closure part which is provided with a tab and is slidably guided along the side edges of the pre-formed opening. The closure part is provided with an uninterrupted peripheral groove which corresponds to the shape of the pre-formed opening; to limit the slide path of the closure part, an abutment or stop is provided.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: November 2, 1982
    Assignee: Fried. Krupp Gesellschaft mit beschrankter Haftung
    Inventors: Helmut Muller-Kuhn, Gunter Scharren, Wilfried Kohlmeier, Michael Grillo, Jurgen Rost