Patents by Inventor David L. Whitehead

David L. Whitehead 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).

  • Dinitroaniline yield enhancing agents for legumes
    Patent number: 4699646
    Abstract: The invention relates to a method to increase the yield of stem, root and of leguminous crops by applying a yield enhancing amount of a dinitroaniline compound to the leaves and stems of said plants or to soil containing the seeds thereof.
    Type: Grant
    Filed: November 15, 1985
    Date of Patent: October 13, 1987
    Assignee: American Cyanamid Co.
    Inventors: David L. Whitehead, Prithvi R. Bhalla