Patents by Inventor Norbert Kornettka

Norbert Kornettka 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).

  • Striped, multicolored toothpaste and dispenser therefor
    Patent number: 5324505
    Abstract: Strands of multicolored, striped toothpaste, more especially with a cross-section in the form an n-sided polygon, where n is an integer of 3 to 7, can be dispensed without diffuse transition zones from a storage container providing the ratio between the yield points of the carrier strand paste and the stripe paste is approximately 1.10:1 to 1.20:1. A device of the type shown in FIG. 1 is suitable for dispensing the toothpaste.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: June 28, 1994
    Assignee: Henkel Kommanditgeselschaft auf Aktien
    Inventors: Norbert Kornettka, Franz Foerg, Albert Stoeffler, Juergen Fiedler