Patents by Inventor Pieter Zwijnenburg, Jr.

Pieter Zwijnenburg, Jr. 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).

  • Patent number: PP12874
    Abstract: A distinct cultivar of Hydrangea plant named ‘Limelight’, characterized by its upright flower panicles on strong peduncles with numerous flowers per panicle; unique light green-colored sepals; large calyces; and relatively early flowering.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: August 20, 2002
    Assignee: Spring Meadow Nursery, Inc.
    Inventor: Pieter Zwijnenburg, Jr.