Patents by Inventor Karen Ruskin Ferguson

Karen Ruskin Ferguson 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).

  • NANOCLAY ROOTGUARD
    Publication number: 20200305421
    Abstract: Provided is a material for preventing entry of unwanted roots into a volume of soil, the material including herbicide, nanoclay, and polymer.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventor: Karen Ruskin Ferguson