Patents by Inventor William Richard Kowalski

William Richard Kowalski 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).

  • Pickle ball
    Patent number: D1009191
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: December 26, 2023
    Assignee: Selkirk Sport, LLC
    Inventor: William Richard Kowalski
  • Pickle ball
    Patent number: D1013809
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: February 6, 2024
    Assignee: Selkirk Sport, LLC
    Inventor: William Richard Kowalski