Patents by Inventor Norman Werth Schaad

Norman Werth Schaad 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).

  • Method for the control of weeds with weakly virulent or non-virulent plant pathogens
    Patent number: 5795845
    Abstract: A bioherbicidal composition comprising an invert emulsion carrier and a microorganism which is a non- or weakly-virulent pathogen in the absence of the carrier is useful as a herbicidal agent when the microorganism is present in an amount effective for herbicidal activity to occur in the presence of the carrier.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: August 18, 1998
    Assignee: The United States of America as represented by the Secretary of Argiculture
    Inventors: Shaw-Ming Yang, William Minor Dowler, Norman Werth Schaad, William Joseph Connick, Jr.