Patents by Inventor Dick Kunkel

Dick Kunkel 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).

  • Insect repellant comprising prickly pear cactus extract
    Patent number: 5736584
    Abstract: An insect repelling composition includes a mineral oil based carrier and, as an active ingredient, an insect repelling amount of cactus extract made from the leaves and stem of the Prickly Pear cactus. A pest repellant formulation can be prepared by combining an oil based carrier with an insect repelling amount of cactus extract and applying the repellant to the skin, hair or fur of a mammal.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: April 7, 1998
    Inventor: Dick Kunkel