Patents by Inventor David Keen

David Keen 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).

  • Publication number: 20030198696
    Abstract: This invention pertains to a pesticide composition effective for the control of insects and diseases of plants in a synergistic formulation of plant oils and fish oils that is non-toxic to the plant, the environment and to those applying the pesticide.
    Type: Application
    Filed: December 4, 2002
    Publication date: October 23, 2003
    Inventor: David Keen