Patents by Inventor Stephen J. Stringer

Stephen J. Stringer 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).

  • Publication number: 20180295760
    Abstract: The most distinctive features of the southern highbush blueberry ‘Gumbo’ are its early ripening, high yield, excellent fruit quality attributes, and excellent plant vigor under field and high density growth conditions.
    Type: Application
    Filed: April 7, 2017
    Publication date: October 11, 2018
    Inventors: Stephen J. Stringer, Arlen D. Draper
  • Patent number: PP29879
    Abstract: The most distinctive features of the southern highbush blueberry ‘Gumbo’ are its early ripening, high yield, excellent fruit quality attributes, and excellent plant vigor under field and high density growth conditions.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 27, 2018
    Assignee: The United States of America, as Represented by the Secretary of Agriculture
    Inventors: Stephen J. Stringer, Arlen D. Draper
  • Patent number: PP37172
    Abstract: A new and distinct muscadine grape plant, substantially as herein illustrated and described, characterized by mid-late season ripening berries, typically beginning in mid-August in Mississippi and Texas. ‘USDA-ARS-Bertha Mae’ has pistillate flowers and requires self-fertile pollinator cultivars to be grown nearby to achieve adequate pollination and fruit set. ‘USDA-ARS-Bertha Mae’ produces very large (˜14 g) berries having sweet and plum-like flavor, a relatively thin skin, and crisp pulp. Berries separate with high percentage of dry stem scars and are highly resistant to rain-induced physiological splitting.
    Type: Grant
    Filed: April 4, 2025
    Date of Patent: December 23, 2025
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventor: Stephen J. Stringer