Patents by Inventor John P. Guerard

John P. Guerard 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).

  • Composition and method for soil acidification
    Patent number: 6783567
    Abstract: A composition and method for soil acidification. The composition is provided in a sulfur humate granule. The granule includes elemental sulfur, micronized humate, and a binding agent wherein the ratio of micronized humate to sulfur is about 1:4. The granule is preferably applied to the soil in a band with other fertilizers.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: August 31, 2004
    Inventors: Joseph A. Waters, John P. Guerard