Patents by Inventor W. Fredric Hink

W. Fredric Hink 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: 4933371
    Abstract: Method of treating animal hosts or their environment for ticks and fleas by applying thereto a toxic amount of linalool.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: June 12, 1990
    Assignee: Shirlo, Inc.
    Inventors: W. Fredric Hink, Thomas E. Duffey