Patents by Inventor Ronald J. Trudeau

Ronald J. Trudeau 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).

  • Hat
    Patent number: D487953
    Type: Grant
    Filed: December 11, 2002
    Date of Patent: April 6, 2004
    Inventor: Ronald J. Trudeau