Patents by Inventor Duncan G. Smith

Duncan G. Smith 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).

  • Avocado rootstock named ‘Merensky 5’
    Patent number: PP32464
    Abstract: A new avocado variety, ‘Merensky 5’ has high tolerance to salinity and to Phytophthora cinnamomi when used as a rootstock. ‘Hass’ trees grafted onto the ‘Merensky 5’ rootstock bear good yields.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: November 17, 2020
    Assignees: Westfalia Fruit Estate Pty Ltd, South African Avocado Growers Association
    Inventors: Duncan G. Smith, Sylvie Kremer-Köhne, Zelda van Rooyen, Josef Stefan Köhne