Patents by Inventor William A. Ayers

William A. Ayers 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).

  • Biological control system
    Patent number: 4246258
    Abstract: This invention relates to a method of biologically controlling plant diseases caused by sclerotia of sporidesmium susceptible plant pathogenic fungi.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: January 20, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: William A. Ayers, Peter B. Adams