Patents by Inventor Kathleen K. Smith

Kathleen K. Smith 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).

  • Cyclic alkylidene substituted pyridine herbicides
    Patent number: 5156670
    Abstract: Fully substituted pyridines having a cyclic alkylidene substituent, useful as herbicides, compositions and methods of use thereof.
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: October 20, 1992
    Assignee: Monsanto Company
    Inventors: Len F. Lee, Kathleen K. Smith, Karey A. Van Sant