Patents by Inventor Ronald H. Hettinger

Ronald H. Hettinger 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).

  • Putter head
    Patent number: D485592
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: January 20, 2004
    Assignee: Callaway Golf Company
    Inventors: Ronald H. Hettinger, Richard C. Helmstetter, Joshua G. Breier