Patents by Inventor Gretchen Zwetzig, legal representative

Gretchen Zwetzig, legal representative 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).

  • plant named ‘Strawberry Swirl’
    Patent number: PP21542
    Abstract: A new and distinct cultivar of winter hardy hibiscus plant named “Strawberry Swirl” is the result of a unique hybridization. This new and distinct cultivar is characterized primarily to its novelty by, its extreme cold hardiness to Zone 4, large, pinwheel-shaped, pink and white flowers and its “maple-shaped” green foliage, compactness of about 3 feet, its vigorous and uniform breaking habit and its floriferous nature from midsummer until frost.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: November 30, 2010
    Inventors: Gretchen Angela Zwetzig, David Whitman Fleming, Gretchen Zwetzig, legal representative