Patents by Inventor David Craig Sheppard

David Craig Sheppard 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: 5817324
    Abstract: There is provided a method for the control of pyrethroid-resistant insects and the protection of animals therefrom which comprises contacting said insects with a toxic amount of a formula I arylpyrrole compound.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: October 6, 1998
    Assignee: American Cyanamid Company
    Inventors: David Craig Sheppard, Kathleen Heaney, Mary E. Doscher