Patents by Inventor Karen A. Zobitne

Karen A. Zobitne 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).

  • Insecticidal compositions and method of controlling insect pests using same
    Patent number: 6548085
    Abstract: A synergistic insecticide is provided by the addition of sodium lauryl sulfate or lecithin to an essential oil, preferably an essential oil which has been deregulated by the Environmental Protection Agency, to enable independently inactive or relatively inactive materials to provide commercially acceptable insecticidal properties without the need for undesirable poisons that may be toxic to humans and pets.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: April 15, 2003
    Assignee: Woodstream Corporation
    Inventors: Karen A. Zobitne, Michael J. Gehret
  • Insecticidal compositions and method of controlling insect pests using same
    Patent number: 5998484
    Abstract: A highly effective, broad spectrum, quick-acting, nonpoisonous insecticidal composition with synergistic kill ratio and kill time is provided when cornmint oil and sodium lauryl sulfate are combined as the essential active ingredients.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: December 7, 1999
    Assignee: Woodstream Corporation
    Inventors: Karen A. Zobitne, Michael J. Gehret