Patents by Inventor Ronald D. Guthrie

Ronald D. Guthrie 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).

  • Natural pesticides, substances and methods of fabrication thereof
    Patent number: 11547118
    Abstract: Methods of fabricating a natural substance may include obtaining a particulate silica including perlite, preparing a liquid formula having at least one essential oil and preparing the natural substance by applying the liquid formula to the particulate silica.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: January 10, 2023
    Inventors: Elbert Lawrence, Ronald D. Guthrie, Richard L. Fewell, Jr.