Patents by Inventor Fred Karl Sturzen

Fred Karl Sturzen 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).

  • Stylized utility hanger
    Patent number: D911062
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: February 23, 2021
    Inventor: Fred Karl Sturzen