Patents by Inventor Robert D. Riggs

Robert D. Riggs 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).

  • Patent number: 5019389
    Abstract: A method of controlling crop pests and parasites is provided. The method includes the step of treating a crop with a sufficient quantity of Arkansas Fungus 18-A so as to control the pests. A substantially pure culture of Arkansas Fungus 18-a is also provided.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: May 28, 1991
    Assignee: University of Arkansas
    Inventors: Robert D. Riggs, Dong G. Kim