Patents by Inventor John Thull

John Thull 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).

  • Grapevine plant named ‘Itasca’
    Patent number: PP29847
    Abstract: The invention is a new and distinct variety of grapevine plant named ‘Itasca’, which is characterized by its adaptibility to grow in cold climates for grape production, its cold hardiness to at least U.S.D.A. Zone 4, its fruits that are suitable for making white wine, its fruit with moderately low total acidity levels combined with high sugar levels at maturity, and its high resistance to downy mildew and black rot diseases and moderate resistance to powdery mildew and foliar infestation by the insect pest phylloxera.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: November 20, 2018
    Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Peter Hemstad, Nicholas Smith, Kathryn Cook, John Thull, James Luby