Patents by Inventor Harrison Ross Hakes

Harrison Ross Hakes 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).

  • Safened herbicidal sulfonamide compositions
    Patent number: 5880066
    Abstract: The disclosure herein relates to the use of a variety of antidotal compounds to safen crop plants from the phytotoxicity of azolopyrimidine sulfonamide herbicides.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: March 9, 1999
    Assignee: Monsanto Company
    Inventors: Barbara Heard Wells, Harrison Ross Hakes, David James Mayonado, John Paul Chupp