Patents by Inventor Laurie F. Hess

Laurie F. Hess 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).

  • Method of repelling insects by systemic action in humans on sulfur and sulfur containing substances
    Patent number: 4225587
    Abstract: The disclosure relates to a method of repelling insects from humans, with sulfur as an element or combined or mixed with other substances, by the systemic action in the human body; and also the substances produced by the systemic action on the exposed surfaces of the body such as the skin or membranes.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: September 30, 1980
    Inventor: Laurie F. Hess