Patents by Inventor Martha D. Hollenbeck

Martha D. Hollenbeck 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).

  • Fungal formulation for biocontrol of soilborne plant pathogens
    Patent number: 5068105
    Abstract: A fungal biocontrol preparation for control or prevention of plant fungal diseases comprises sporulated fungal biomass, a carrier and acid. The carrier preferably is vermiculite. The biocontrol preparation is resistant to bacterial proliferation in storage and handling and is effective in controlling damping-off diseases caused by soilborne fungal pathogens.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: November 26, 1991
    Assignees: W. R. Grace & Co.-Conn., The United States of America as represented by the Secretary of Agriculture
    Inventors: Jack A. Lewis, Douglas Lumsden, George Papavizas, Martha D. Hollenbeck, James F. Walter