Patents by Inventor Bert Verthoef

Bert Verthoef 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).

  • Weigela plant named ‘Verweig’
    Patent number: PP16824
    Abstract: A new and distinct cultivar of Weigela plant named ‘Verweig’, characterized by its compact, upright and outwardly spreading plant habit; freely branching habit; green, white and red purple variegated leaves; and tolerance to high and low temperatures.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: July 18, 2006
    Assignee: Spring Meadow Nursery, Inc.
    Inventor: Bert Verthoef